4.6
CVSSv2

CVE-2021-20872

Published: 04/01/2022 Updated: 13/01/2022
CVSS v2 Base Score: 4.6 | Impact Score: 6.4 | Exploitability Score: 3.9
CVSS v3 Base Score: 6.8 | Impact Score: 5.9 | Exploitability Score: 0.9
VMScore: 409
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P

Vulnerability Summary

Protection mechanism failure vulnerability in KONICA MINOLTA bizhub series (bizhub C750i G00-35 and previous versions, bizhub C650i/C550i/C450i G00-B6 and previous versions, bizhub C360i/C300i/C250i G00-B6 and previous versions, bizhub 750i/650i/550i/450i G00-37 and previous versions, bizhub 360i/300i G00-33 and previous versions, bizhub C287i/C257i/C227i G00-19 and previous versions, bizhub 306i/266i/246i/226i G00-B6 and previous versions, bizhub C759/C659 GC7-X8 and previous versions, bizhub C658/C558/C458 GC7-X8 and previous versions, bizhub 958/808/758 GC7-X8 and previous versions, bizhub 658e/558e/458e GC7-X8 and previous versions, bizhub C287/C227 GC7-X8 and previous versions, bizhub 287/227 GC7-X8 and previous versions, bizhub 368e/308e GC7-X8 and previous versions, bizhub C368/C308/C258 GC9-X4 and previous versions, bizhub 558/458/368/308 GC9-X4 and previous versions, bizhub C754e/C654e GDQ-M0 and previous versions, bizhub 754e/654e GDQ-M0 and previous versions, bizhub C554e/C454e GDQ-M1 and previous versions, bizhub C364e/C284e/C224e GDQ-M1 and previous versions, bizhub 554e/454e/364e/284e/224e GDQ-M1 and previous versions, bizhub C754/C654 C554/C454 GR1-M0 and previous versions, bizhub C364/C284/C224 GR1-M0 and previous versions, bizhub 754/654 GR1-M0 and previous versions, bizhub C3851FS/C3851/C3351 GC9-X4 and previous versions, bizhub 4752/4052 GC9-X4 and previous versions) allows a physical malicious user to bypass the firmware integrity verification and to install malicious firmware.

Vulnerability Trend

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konicaminolta bizhub_c759_firmware

konicaminolta bizhub_c659_firmware

konicaminolta bizhub_c658_firmware

konicaminolta bizhub_c558_firmware

konicaminolta bizhub_c458_firmware

konicaminolta bizhub_958_firmware

konicaminolta bizhub_808_firmware

konicaminolta bizhub_758_firmware

konicaminolta bizhub_658e_firmware

konicaminolta bizhub_558e_firmware

konicaminolta bizhub_458e_firmware

konicaminolta bizhub_c287_firmware

konicaminolta bizhub_c227_firmware

konicaminolta bizhub_287_firmware

konicaminolta bizhub_227_firmware

konicaminolta bizhub_368e_firmware

konicaminolta bizhub_308e_firmware

konicaminolta bizhub_c368_firmware

konicaminolta bizhub_c308_firmware

konicaminolta bizhub_c258_firmware

konicaminolta bizhub_558_firmware

konicaminolta bizhub_458_firmware

konicaminolta bizhub_368_firmware

konicaminolta bizhub_308_firmware

konicaminolta bizhub_c754e_firmware

konicaminolta bizhub_c654e_firmware

konicaminolta bizhub_754e_firmware

konicaminolta bizhub_654e_firmware

konicaminolta bizhub_c554e_firmware

konicaminolta bizhub_c454e_firmware

konicaminolta bizhub_c364e_firmware

konicaminolta bizhub_c284e_firmware

konicaminolta bizhub_c224e_firmware

konicaminolta bizhub_554e_firmware

konicaminolta bizhub_454e_firmware

konicaminolta bizhub_364e_firmware

konicaminolta bizhub_284e_firmware

konicaminolta bizhub_224e_firmware

konicaminolta bizhub_c754_firmware

konicaminolta bizhub_c654_firmware

konicaminolta bizhub_c554_firmware

konicaminolta bizhub_c454_firmware

konicaminolta bizhub_c364_firmware

konicaminolta bizhub_c284_firmware

konicaminolta bizhub_c224_firmware

konicaminolta bizhub_754_firmware

konicaminolta bizhub_654_firmware

konicaminolta bizhub_c3851fs_firmware

konicaminolta bizhub_c3851_firmware

konicaminolta bizhub_c3351_firmware

konicaminolta bizhub_4752_firmware

konicaminolta bizhub_4052_firmware