Related Vulnerabilities: CVE-2020-27336 CVE-2020-27337 CVE-2020-27338

HP has identified a potential security vulnerability with the IPv6 network stack of certain HP and Samsung branded printers that could result in a denial of service.

Source

Potential Security Impact:

Denial of Service

Source: HP, HP Product Security Response Team (PSRT)

VULNERABILITY SUMMARY

HP has identified a potential security vulnerability with the IPv6 network stack of certain HP and Samsung branded printers that could result in a denial of service.

Reference Number

CVE-2020-27336, CVE-2020-27337, CVE-2020-27338; PSR-2020-0245

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.

Please refer to the RESOLUTION section below for a list of potentially impacted products.

BACKGROUND

For a PGP signed version of this security bulletin please write to: hp-security-alert@hp.com

CVSS 3.0 Base Metrics

Reference	Base Vector	Base Score
CVE-2020-27337	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L	5.3
CVE-2020-27338	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L	5.3
CVE-2020-27336	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L	5.3

RESOLUTION

HP is actively investigating the referenced potential security vulnerability. Subscribe to HP Security Bulletin alerts as described below for further updates on the issue. The current recommendation to help mitigate potential exploitation of the vulnerability is to update firmware or disable IPv6 on the printer.

To disable IPv6, access the Embedded Web Server (EWS) on the printer, and then select Enable IPv4 only as illustrated below.

Enabling IPv4 on the Embedded Web Server (EWS)

For more information on accessing the EWS, refer to Use the HP printer Embedded Web Server (EWS).

Potentially Impacted Products

HP Laser, HP LaserJet Pro, and HP Neverstop Laser

Product Name	Model Number	Resolution
HP Color LaserJet Pro M154	T6B46A, T6B47A, T6B50A, T6B49A, T6B48A, T6B51A, T6B54A, T6B55A, T6B53A, T6B52A	Update firmware to 20211109 or higher
HP Color LaserJet Pro M155	7KW48A, 7KW49A, 7KW50A, 7KW51A	Update firmware to 20211122 or higher
HP Color LaserJet Pro M253, M254	T6B56A, T6B58A, T6B57A, T6B62A, T6B63A, T6B61A, T6B65A, T6B60A, T6B64A, T6B59A	Update firmware to 20211109 or higher
HP Color LaserJet Pro M255	7KW65A, 7KW64A, 7KW63A, 7KW68A, 7KW67A, 7KW66A	Update firmware to 20211122 or higher
HP Color LaserJet Pro M452	CF389A, CF389V, CF394A, CF394V, CF388A, CF388V	Update firmware to 20211118 or higher
HP Color LaserJet Pro MFP M176, M177	CF547A, CZ165A	Follow mitigation above
HP Color LaserJet Pro MFP M180, M181	T6B73A, T6B70A, T6B74A, T6B75A, T6B72A, T6B71A	Update firmware to 20211109 or higher
HP Color LaserJet Pro MFP M182, M183	7KW54A, 7KW55A, 7KW56A, 7KW57A, 7KW59A, 7KW58A	Update firmware to 20211122 or higher
HP Color LaserJet Pro MFP M277, M274	B3Q10A, B3Q11A, B3Q17A, M6D61A	Update firmware to 20220111 or higher
HP Color LaserJet Pro MFP M280, M281	T6B85A, T6B84A, T6B80A, T6B83A, T6B86A, T6B81A, T6B82A	Update firmware to 20211109 or higher
HP Color LaserJet Pro MFP M282, M283	7KW72A, 7KW73A, 7KW74A, 7KW75A, 7KW76A, 7KW77A, 7KW78A, 7KW79A	Update firmware to 20211118 or higher
HP Color LaserJet Pro MFP M377, M477	M5H23A, CF378A, CF379A, CF377A	Update firmware to 20211118 or higher
HP LaserJet Multifunction Printer series M1130, M1200	B4K88A, CE841A, CE842A, CE843A, CE844A, CE845A, CE846A, CE847A, CE848A, CE849A, CE850A	Follow mitigation above
HP LaserJet Pro 400 M401	CF270A, CF274A, CF278A, CF285A, CF399A, CZ195A	Update firmware to 20210202 or higher
HP LaserJet Pro 400 MFP M425	CF286A, CF288A	Update firmware to 20210202 or higher
HP LaserJet Pro 500 color MFP M570	CZ271A, CZ272A	Update firmware to 20220112 or higher
HP LaserJet Pro CP1025	CF346A, CE918A	Follow mitigation above
HP LaserJet Pro M102, M104, M106	G3Q34A, G3Q35A, G3Q36A, G3Q37A, G3Q39A	Update firmware to 20211215 or higher
HP LaserJet Pro M12w	T0L46A	Follow mitigation above
HP LaserJet Pro M15, M16, M17	W2G50A, W2G51A, W2G52A, W2G53A, Y5S43A	Update firmware to 20201013 or higher
HP LaserJet Pro M201, M202	C6N20A, C6N21A, CF455A, CF456A	Update firmware to 20211215 or higher
HP LaserJet Pro M203, M206, M118	4PA39A, G3Q46A, G3Q47A, G3Q48A, G3Q50A	Update firmware to 20211215 or higher
HP LaserJet Pro M225, M226	C6N22A, C6N23A, CF484A, CF485A, CF486A	Update firmware to 20220112 or higher
HP LaserJet Pro M402, M403	C5F92A, C5F93A, C5F94A, C5F95A, C5F96A, C5J91A, G3V21A, F6J41A, F6J42A, F6J43A, F6J44A	Update firmware to 20211118 or higher
HP LaserJet Pro M435	A3E42A	Update firmware to 20220112 or higher
HP LaserJet Pro M501	J8H60A, J8H61A	Update firmware to 20210810 or higher
HP LaserJet Pro M521	A8P79A, A8P80A	Update firmware to 20220112 or higher
HP LaserJet Pro M701, M706	B6S00A, B6S01A, B6S02A	Update firmware to 20220112 or higher
HP LaserJet Pro MFP M125, M126, M127, M128	CZ172A, CZ173A, CZ174A, CZ175A, CZ181A, CZ182A, CZ183A, CZ184A, CZ185A, CZ186A	Follow mitigation above
HP LaserJet Pro MFP M130, M132, M134	G3Q57A, G3Q58A, G3Q59A, G3Q60A, G3Q61A, G3Q62A, G3Q63A, G3Q64A, G3Q65A, G3Q66A, G3Q67A, G3Q68A	Update firmware to 20211215 or higher
HP LaserJet Pro MFP M26	T0L49A, T0L50A	Follow mitigation above
HP LaserJet Pro MFP M29, M31	W2G54A, W2G55A, W2G56A, W2G57A, Y5S53A, Y5S50A, Y5S54A, Y5S55A	Update firmware to 20211118 or higher
HP LaserJet Pro MFP M426, M427	C5F97A, C5F98A, C5F99A, F6W13A, F6W14A, F6W15A, F6W16A, F6W17A, F6W18A, F6W19A	Update firmware to 20211118 or higher
HP LaserJet Pro P1102, P1106, P1108	CE651A, CE653A, CE655A, CE657A, CE658A	Follow mitigation above
HP LaserJet Ultra MFP M230 HP LaserJet Pro MFP M227, M148, M149	4PA41A, 4PA42A, 4PA44A, G3Q74A, G3Q75A, G3Q76A, G3Q77A, G3Q78A, G3Q79A	Update firmware to 20211215 or higher
HP Neverstop Laser 1200a, 1005c	4QD21A, 4RY26A, 4YE52A, 4YE53A, 5NL12A	Follow mitigation above

Samsung proXpress and Samsung MultiXpress

Product Name	Model Number	Resolution
Samsung MultiXpress SL-K302NR/GOV Samsung MultiXpress SL-K3300NR Samsung MultiXpress SL-K3300NR	SS026B, SS027A, SS027B, SS027C, SS027D, SS027E, SS027F, SS027G, SS027H, SS027J, SS027K, SS027L, SS0028E	Follow mitigation above
Samsung MultiXpress SL-X3220NR Samsung MultiXpress SL-X3280NR	SS043A, SS043B, SS043C, SS043D, SS043E, SS043F, SS043G, SS043H SS043J, SS043K, SS043L, SS043M, SS044G	Follow mitigation above
Samsung Printer proXpress SL-C3510ND Samsung Printer proXpress SL-C3510ND/SLI Samsung Printer proXpress SL-C4010N Samsung Printer proXpress SL-C4010ND Samsung Printer proXpress SL-C4010ND/GOV	SS214A, SS214B, SS215A, SS216A, SS216B, SS216C, SS216D, SS216E, SS216F, SS216G, SS216H, SS216J, SS216K, SS216L, SS216M, SS216N, SS216P, SS216Q, SS216S, SS216T, SS216U, SS216V, SS216Z	Follow mitigation above
Samsung ProXpress SL-C3010 Color Laser Printer series	SS209A, SS210A, SS210B, SS201C, SS210D, SS210E, SS210F, SS210G, SS210H, SS210J, SS210K, SS210L, SS210M, SS210P	Follow mitigation above
Samsung ProXpress SL-C3060FR Color Laser Multifunction Printer	SS211A, S221B, SS211C, SS211D, SS211E, SS211F, SS211G, SS211H, SS211J, SS211K, SS211L, SS211M, SS211N, SS211P, SS211Q	Follow mitigation above
Samsung ProXpress SL-C3060ND Color Laser Multifunction Printer	SS213A, SS213B, SS213C, SS213D, SS213E, SS213F, SS213G, SS213H	Follow mitigation above
Samsung proXpress SL-M3310ND/GOV Samsung proXpress SL-M3820DW Samsung proXpress SL-M3820D Samsung proXpress SL-M3320ND Samsung proXpress SL-M3820ND Samsung proXpress SL-M3820ND/KRM Samsung proXpress SL-M4020ND Samsung proXpress SL-M4020ND/GOV Samsung proXpress SL-M4021ND Samsung proXpress SL-M4021ND/GOV	SS364B, SS365H, SS371A, SS371B, SS371C, SS371D, SS372C, SS375B, SS373A, SS373B, SS373C, SS373D, SS373E, SS373F, SS373G, SS373H, SS373J, SS373K, SS373L, SS373M, SS373N, SS373P, SS373Q, SS373S, SS373T, SS373U, SS373V, SS373W, SS373Z, SS383K, SS383L, SS383X, SS383Y, SS383C	Follow mitigation above
Samsung proXpress SL-M3370FD Samsung proXpress SL-M3870FW/KRM Samsung proXpress SL-M3375FD Samsung proXpress SL-M4070FR/GOV	SS368A, SS368B, SS368C, SS368D, SS368E, SS368F, SSE68G, SS368H, SS368J, SS369A, SS369B, SS369C, SS369D, SS369E, SS378E, SS389J, SS390C	Follow mitigation above
Samsung proXpress SL-M4530ND	SS397A, SS397B, SS397C, SS397D, SS397E, SS397F, SS397G, SS397H, SS397J, SS397K, SS397L, SS397M, SS397M, SS397N, SS397P, SS397Q, SS398A, SS398B, SS398C, SS398D, SS398E, SS398F, SS398G	Follow mitigation above
Samsung Xpress SL-M2835 Laser Printer	SS346A, SS346B, SS346C, SS346D, SS346E, SS346F, SS346G, SS346F, SS346G, SS346H, SS346J, SS346K, SS346L, SS346M	Follow mitigation above
Samsung Xpress SL-M2885 Laser Multifunction Printer	SS359A, SS359B, SS359C, SS359D, SS359E, SS359F, SS359G, SS359H, SS359J, SS359K, SS359L, SS359M, SS359N, SS359P, SS359Q, SS359Z	Follow mitigation above

HP DeskJet, HP OfficeJet, HP OfficeJet Pro, HP Ink Tank, and HP Smart Tank

Product Name	Model Number	Resolution
HP Deskjet 2540 All-in-One/ HP Deskjet 2545 All-in-One	K9B57B, K9B59A, K8T38A, K9B56A, D3A81A, A9U22A, A9U22B, A9U19A, K2W35A, A9U27A, A9U28B, D3A80A, J7V18B, D3A78B, D3A79A, D3A82A, J7V17B, J7V19B, K9B54A, E1E94B, K9B55A	Follow mitigation above
HP DeskJet 2600 All-in-One Printer	V1N01B, V1N01C, Y5H80A, Y5H68A, Y5H68D, 4UJ28B, V1N07A, Y5H67A, Y5H67D, Y5H69A, Y5H69D, V1N08A, Y5H60A, Y5H61A, Y5H62A, Y5H72D, V1N03B, V1N03C, V1N05B, V1N05C, V1N06B, V1N07B, Y5H63A, Y5H64A, Y5H65A, V1N05A, V1N01A, V1N03A, V1N04A, 5SF02A, 5SF03A, 5SF04A, Y5H58A, Y5H66A	Follow mitigation above
HP DeskJet 2700 All-in-One Printer series HP DeskJet Ink Advantage 2700 All-in-One series HP DeskJet Plus 4100 All-in-One series HP DeskJet Plus Ink Advantage 4100 All-in-One series HP DeskJet 4100e All-in-One series	3XV13A, 3XV14B, 3XV14C, 3XV15A, 3XV15D, 3XV17A, 3XV18B, 3XV18C, 3XV19A, 3XV19D, 4WS03B, 4WS04A, 4WS04B, 5AR83A, 5AR83B, 5AR84A, 5AR85A, 7FR20A, 7FR21A, 7FR26B, 7FR27B, 7FR28B, 7FR29B, 7FR48D, 7FR50B, 7FR52A, 7FR53A, 7FR53B, 7FR54B, 7FR55B, 7FR56D, 7FR57A, 7FR57D, 7FR58A, 7FR59D, 7FR60D, 7FR61A, 7FS74A, 7FS74D, 7FS75D, 7FS76A, 7FS77B, 7FS79A, 7FS79B, 7FS81B, 7FS83D, 7FS86A, 7FS87A, 7FS87D, 7FS88A, 7FS88D, 7HZ98B, 7HZ99B, 7MR23A, 7MR24A, 8QB70A, 8RK11A, 26Q91B, 26Q90B, 26Q94A, 26Q95A, 26Q92B, 26Q96A, 26Q97A, 26Q93B, 2A9T7A, 26Q91A, 26Q90A, 26Q93A	Follow mitigation above
HP Deskjet 3520 e-All-in-One	CX052A, CX052B, CX052C, CX053C, CX056A, CX056AR, F6H93A, CX058A, E3P97A, CX055B, CX057A, CX054B, CX059A	Follow mitigation above
HP DeskJet 3630 All-in-One Printer	F5S43A, F5S57A, K4T99B, K4T99C, K4T94A, F5S47A, F5S48A, F5S49B, K4T95A, K4U03B, F5S50B, K4T93A, F5S56B, K4T96A, K4U00B, V3F21A, V3F22A, K4T97A, K4U01B, K4U02B, F5S43B, F5S43C	Follow mitigation above
HP DeskJet 3790 series (HP AMP 100, 130, 100, 105)	T8X39A, T8X40A, T8X42A, T8X39D, T8X44A, 1SH08A, T8X40D, T8X39B, T8X39C, T8X40B	Follow mitigation above
HP Deskjet 5520 e-All-in-One	C7G19A, CX042A, CX042B, CX045C, CX046C, K8G35A, CX042AR, CX049C, CX044A, CX048B, CX047B, CX043A, CX043B	Follow mitigation above
HP DeskJet GT 5820 All-in-One Printer	2ND31A, M2Q28A, P0R21A, X3B09A, 1WW50A, 2ND32A, P0R22A	Follow mitigation above
HP DeskJet Ink Advantage 2600 All-in-One Printer	V1N02A, V1N02B, Y5Z00A, Y5Z03B, Y5Z04B, Y5Z02B, 7FQ79B, 7FQ80B, 7FQ81B	Follow mitigation above
HP Deskjet Ink Advantage 3540 e-All-in-One Printer	E6G69A, A9T81A, A9T81B, A9T81C, F9A24A, L5T77A, A9T82A, A9T84C, A9T83B	Follow mitigation above
HP DeskJet Ink Advantage 3630 All-in-One Printer	F5S44A, F5S44B, F5S44C, K4U06A, K4U07A, K4U08A, F5S45A, F5S53C, K4U05B, F5S46B	Follow mitigation above
HP DeskJet Ink Advantage 3700 All-in-One Printer series HP DeskJet 3700 All-in-One Printer series	1DT61A, 1DT62A, 3YZ74A, 3YZ75A, 4SC29A, 4SC30A, 7FM64B, 7FM65B, 7FM66B, J9V86A, J9V86B, J9V87A, J9V87B, J9V87C, J9V88A, J9V89B, J9V90A, J9V91A, J9V92A, J9V93B, J9V94B, J9V95B, J9V96B, J9V97B, T8W35A, T8W36A, T8W37A, T8W38A, T8W39B, T8W40B, T8W41B, T8W42C, T8W46C, T8W47C, T8W48C, T8W49C, T8W50C, T8W51A, T8W52A, T8W54A, T8W56A, T8W57A, T8W58A, T8W59A, T8W83A, T8W92A, T8W93A, T8W94A, T8W95A, T8W96A, T8X00B, T8X01B, T8X04B, T8X05B, T8X06B, T8X07B, T8X10B, T8X12B, T8X19B, T8X23B, T8X27B	Follow mitigation above
HP Deskjet Ink Advantage 3830 e-All-in-One Printer	F5R96A, F5R96B, F5R96C, F5R97A, F5R98B	Follow mitigation above
HP Deskjet Ink Advantage 4530 All-in-One Printer	E6G68A, F0V64A, F0V64B, F0V64C, F0V65A, F0V66B	Follow mitigation above
HP DeskJet Ink Advantage 4670 All-in-One Printer	F1H97A, 1H97B, F1H97C, F1H98A, F1H99B	Follow mitigation above
HP DeskJet Ink Advantage 5570 All-in-One Printer	G0V48B, G0V48C	Follow mitigation above
HP DeskJet Ink Advantage Ultra 4720 All-in-One Printer	F5S65A, F5S66A, L8L91A	Follow mitigation above
HP ENVY 4500 e-All-in-One Printer	N4E46A, A9T80A, A9T80B, D3P93A, F2K48A, K2M74A, C8D05A, A9T85A, A9T87B, E6G71B, A9T88B, A9T89A, C8D04A, A9T86A, D3P95A, E6G70B, E6G72B, D3P94A, D3P94B	Follow mitigation above
HP ENVY 4510 All-in-One Printer	K9H48A, K9H50A, K9H49A, K9H51A, K9H52A, K9H53A	Follow mitigation above
HP Envy 4520 All-in-One Printer	E6G67A, E6G67B, F0V63A, F0V63B, F0V69A, J6U70B, K9T10B, F0V67A, F0V70B, F0V73A, J6U59B, J6U60B, W3U26A, F0V71B, F0V72B, J6U69A, K9T01A, K9T09B, K9T05B, J6U61B, K9T06B, K9T07B, K9T08B	Follow mitigation above
HP ENVY 5530 e-All-in-One Printer	A9J40A, A9J40B, A9J49A, A9J47A, K2M73A, A9J45A, A9J48B, A9J46A, D4J85B, A9J44A, K3Z41A, D4J86B, A9J48A	Follow mitigation above
HP ENVY 5540 All-in-One Printer	F2E72A, G0V47A, G0V52A, G0V53A, J6U66A, K7C85A, K7G89A, G0V51A, K7C86A, K7C87A, K7C88A, K7G90A, N9U88A, G0V54A, K7C89A, K7C93A, G0V50A, K7G88A, J6U67A, K7C90A, J6U64A, K7G87A, K7G86A	Follow mitigation above
HP ENVY 5640 e-All-in-One Printer	B9S56A, B9S58A, B9S59A, B9S61A, B9S64A, F8B13A, K5L42A, B9S63A, B9S62A, B9S65A, F8B05A	Follow mitigation above
HP ENVY 5660 e-All-in-One Printer	F8B04A, F8B04AR, F8B07A, F8B12A, T5R62A, F8B06A, F8B08A	Follow mitigation above
HP Envy 7640 e-All-in-One Printer series	E4W43A, E4W43B, E4W47A, E4W43AR, E4W45A, E4W46A, E4W44A	Follow mitigation above
HP Ink Tank Wireless 410	Z6Z95A, 4YF79A, Z6Z99A, 4DX94A, Z4B53A, 4DX95A, Z4B55A, Z7A01A, Z4B54A, Z6Z97A	Follow mitigation above
HP Neverstop Laser 1000, 1020	4RY22A, 4RY23A, 4YE47A, 4YE48A, 4YE51A, 5HG74A, 5HG80A	Follow mitigation above
HP Officejet 200 Mobile Printer Series	CZ993A, L9B95A	Follow mitigation above
HP Officejet 202 Mobile Printer Series	N4K99C, N4L14C	Follow mitigation above
HP OfficeJet 250 Mobile Series	CZ992A, L9D57A, N4L17A, N4L16C, N4L18C	Follow mitigation above
HP Officejet 3830 e-All-in-One Printer	F5R95A, F5R95B, F5R95C, K7V40A, K7V36A, K7V45B, F5R99A, F5S01B, F5S03B, K7V37A, F5S02B, K7V44B, K7V38A	Follow mitigation above
HP Officejet 4630 e-All-in-One Printer	B4L03A, B4L03B, B4L03C, D4J76A, E6G81A, E6G81B, B4L07A, B4L05A, B4L06B, E6G85B, D4J74A, D4J78B, B4L04A, E6G86B, D4J75A, D4J77B	Follow mitigation above
HP OfficeJet 4650 All-in-One Printer	E6G87A, F1H96A, F1H96B, F1J03A, F1J04A, F9D37A, K9V77A, K9V85B, K9V83B, F1J02A, F1J05B, K9V84B, F1J06B, F1J07B, K9V76A, F1J00A, K9V79A, K9V82B, K9V81B, V6D27B, V6D29B, V6D28B, V6D30B	Follow mitigation above
HP Officejet 5740 e-All-in-One Printer series	B9S76A, B9S78A, B9S79A, B9S83A, B9S81A, B9S84A, F8B11A, F8B10A, B9S82A, B9S85A, B9S80A, F8B09A, T1P36A	Follow mitigation above
HP OfficeJet 6950 All-in-One	P4C78A, P4C85A, T3P03A, P4C86A, P4C81A, P4C82A, P4C84A	Follow mitigation above
HP OfficeJet 6960 All-in-One HP OfficeJet Pro 6960 All-in-One	T0G25A, T0G26A, J7K33A, T0F30A, T0F32A, T0F38A, T0F31A, J7K37A, J7K38A, J7K35A, J7K39A, T0F28A, T0F36A	Follow mitigation above
HP Officejet 7110 Wide Format ePrinter	CR768A	Follow mitigation above
HP Officejet 7510 Wide Format e-All-in-One	G3J47A, K1Z44A	Follow mitigation above
HP Officejet 7610 Wide Format e-All-in-One	CR769A, G1X85A	Follow mitigation above
HP Officejet Pro 6230 / 6220 ePrinter	E3E03A	Follow mitigation above
HP OfficeJet Pro 6970 All-in-One Printer series	J7K34A, T0F33A, T0F39A, T0F34A, T0F35A, J7K40A, J7K36A, J7K42A, J7K41A, T0F29A, T0F37A, T0F40A	Follow mitigation above
HP Officejet Pro 8630 e-All-in-One	A7F66A	Follow mitigation above
HP OfficeJet Pro 8710 All-in-One Printer series HP OfficeJet Pro 8720 All-in-One Printer series	D9L18A, D9L19A, J6X76A, J6X77A, J6X78A, J6X79A, J6X80A, J6X81A, J7A28A, J7A29A, J7A31A, K7S34A, K7S35A, K7S36A, K7S37A, K7S38A, M9L65A, M9L66A, M9L67A, M9L70A, M9L74A, M9L75A, M9L76A, M9L80A, T0G46A, T0G47A, T0G48A, T0G49A, T0G54A	Follow mitigation above
HP OfficeJet Pro X451, X551 Printer	CV037A, CN463A	Follow mitigation above
HP Photosmart 6520 e-All-in-One	CX017A, CX017B, CX020C, CX021C, CX018A, CX018B	Follow mitigation above
HP Smart Tank Wireless 450	Z6Z96A, Z4B56A, Z6Z98A	Follow mitigation above

HP DesignJet

Product Name	Model Number	Resolution
HP DesignJet T100 24-in Printer HP DesignJet T125 24-in Printer HP DesignJet T130 24-in Printer HP DesignJet T525 24-in Printer HP DesignJet T530 24-in Printer HP DesignJet T525 36-in Printer HP DesignJet T530 36-in Printer	5ZY56A, 5ZY57A, 5ZY58A, 5ZY59A, 5ZY60A, 5ZY60B, 5ZY61A, 5ZY62A, 5ZY62B	Follow mitigation above
HP DesignJet T120 24-in ePrinter HP DesignJet T120 24-in Printer HP DesignJet T120 24-in Printer (2018 edition) HP DesignJet T520 24-in ePrinter HP DesignJet T520 24-in Printer HP DesignJet T520 24-in Printer (2018 edition) HP DesignJet T520 24-in Printer (2018 edition) HP DesignJet T520 24-in Printer (2018 edition, legless)	CQ891A, CQ891B, CQ891C, CQ890A, CQ890B, CQ890C, CQ890D, CQ890E	Follow mitigation above
HP DesignJet T520 24-in ePrinter HP DesignJet T120 24-in ePrinter HP DesignJet T520 36-in ePrinter	CQ890A, CQ891A, CQ893A	Follow mitigation above
HP DesignJet T520 24-in Printer HP DesignJet T520 24-in Printer (2018 edition) HP DesignJet T520 24-in Printer (2018 edition) HP DesignJet T120 24-in Printer HP DesignJet T120 24-in Printer (2018 edition) HP DesignJet T520 36-in Printer HP DesignJet T520 36-in Printer (2018 edition) HP DesignJet T520 36-in Printer (2018 edition, legless) HP DesignJet T520 36-in ePrinter HP DesignJet T520 36-in Printer HP DesignJet T520 36-in Printer (2018 edition) HP DesignJet T520 36-in Printer (2018 edition, legless)	CQ890B, CQ890C, CQ890D, CQ891B, CQ891C, CQ893B, CQ893C, CQ893E CQ893A, CQ893B, CQ893C, CQ893E	Follow mitigation above
HP DesignJet T520 36-in ePrinter HP DesignJet T520 36-in Printer HP DesignJet T520 36-in Printer (2018 edition) HP DesignJet T520 36-in Printer (2018 edition, legless)	CQ893A, CQ893B, CQ893C, CQ893E	Follow mitigation above

Third Party Security Patches: Third party security patches that are to be installed on systems running HP software products should be applied in accordance with the customer's patch management policy.

Support: For issues about implementing the recommendations of this Security Bulletin, visit https://www.hp.com/go/contacthp to learn about your HP support options.

Report: To report a potential security vulnerability with any HP supported product, send email to: hp-security-alert@hp.com.

Subscribe: To initiate a subscription to receive future HP Security Bulletin alerts via email, visit https://www.hp.com/go/alerts.

Security Bulletin Archive: To view released Security Bulletins, search the HP Support Site for "security bulletin".

Software Product Category: The Software Product Category is represented in the title by the two characters following HPSB.

PI	HP Printing and Imaging
HF	HP Hardware and Firmware
GN	HP General Software

It is strongly recommended that security related information being communicated to HP be encrypted using PGP, especially exploit information.

To get the security-alert PGP key, please send an e-mail message as follows:

To: hp-security-alert@hp.com

Subject: get key

System management and security procedures must be reviewed frequently to maintain system integrity. HP is continually reviewing and enhancing the security features of software products to provide customers with current secure solutions.

"HP is broadly distributing this Security Bulletin in order to bring to the attention of users of the affected HP products the important security information contained in this Bulletin.HP recommends that all users determine the applicability of this information to their individual situations and take appropriate action.HP does not warrant that this information is necessarily accurate or complete for all user situations and, consequently, HP will not be responsible for any damages resulting from user's use or disregard of the information provided in this Bulletin.To the extent permitted by law, HP disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose, title and non-infringement."

REVISION HISTORY : Version 1: 27 December 2020 - Initial release; Version 2: 2 February 2022 - updated product table; Version 3: 16 February 2022 - updated product table

SUPPORT COMMUNICATION- SECURITY BULLETIN HPSBPI03709 rev. 3 - Certain HP and Samsung-branded Print Products - IPv6 Network Stack Vulnerability

HP Laser, HP LaserJet Pro, and HP Neverstop Laser

Samsung proXpress and Samsung MultiXpress

HP DeskJet, HP OfficeJet, HP OfficeJet Pro, HP Ink Tank, and HP Smart Tank

HP DesignJet

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