7.5
CVSSv3

CVE-2023-20080

Published: 23/03/2023 Updated: 07/11/2023
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 0

Vulnerability Summary

A vulnerability in the IPv6 DHCP version 6 (DHCPv6) relay and server features of Cisco IOS and IOS XE Software could allow an unauthenticated, remote malicious user to trigger a denial of service (DoS) condition. This vulnerability is due to insufficient validation of data boundaries. An attacker could exploit this vulnerability by sending crafted DHCPv6 messages to an affected device. A successful exploit could allow the malicious user to cause the device to reload unexpectedly.

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cisco ios xe 16.8.1

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cisco ios xe 3.16.4gs

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cisco ios xe 3.16.4cs

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cisco ios 15.6\\(1\\)sn1

cisco ios xe 3.16.5bs

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cisco ios xe 3.6.0ae

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cisco ios 15.6\\(7\\)sn

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cisco ios xe 3.16.0bs

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cisco ios 15.2\\(2\\)sc1

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cisco ios xe 16.8.1a

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cisco ios xe 16.7.2

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cisco ios xe 16.7.3

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cisco ios 15.2\\(4\\)ea8

cisco ios 15.2\\(6\\)e0c

cisco ios xe 3.18.1isp

cisco ios xe 16.9.1s

cisco ios xe 3.16.7as

cisco ios xe 3.18.1gsp

cisco ios xe 3.18.4s

cisco ios xe 3.16.7s

cisco ios xe 16.9.1c

cisco ios xe 3.18.3bsp

cisco ios xe 16.9.1b

cisco ios 15.2\\(2\\)e8

cisco ios xe 3.16.7bs

cisco ios xe 3.18.4sp

cisco ios 15.2\\(6\\)e0a

cisco ios 15.5\\(3\\)s7

cisco ios xe 3.6.7be

cisco ios xe 3.8.6e

cisco ios xe 16.5.3

cisco ios xe 3.18.1hsp

cisco ios xe 3.10.1e

cisco ios 15.2\\(6\\)e1a

cisco ios xe 3.10.1ae

cisco ios xe 3.10.1se

cisco ios 15.2\\(6\\)e1s

cisco ios xe 3.6.10e

cisco ios xe 16.3.7

cisco ios xe 16.3.8

cisco ios xe 16.9.1d

cisco ios 15.2\\(4\\)m6b

cisco ios 15.4\\(3\\)m10

cisco ios xe 3.13.10s

cisco ios 15.7\\(3\\)m3

cisco ios xe 3.10.2as

cisco ios xe 3.13.6bs

cisco ios xe 16.6.4s

cisco ios 15.6\\(3\\)m5

cisco ios 15.5\\(2\\)xb

cisco ios 15.8\\(3\\)m0a

cisco ios 15.4\\(3\\)m9

cisco ios xe 3.10.10s

cisco ios xe 16.6.4

cisco ios 15.5\\(3\\)m2a

cisco ios xe 3.18.5sp

cisco ios xe 3.16.8s

cisco ios 15.8\\(3\\)m

cisco ios 15.8\\(3\\)m0b

cisco ios 15.5\\(3\\)m7

cisco ios 15.5\\(3\\)m8

cisco ios xe 3.10.2e

cisco ios xe 3.6.9e

cisco ios xe 3.8.7e

cisco ios xe 3.16.0as

cisco ios 15.4\\(3\\)s9

cisco ios 15.2\\(2\\)e10

cisco ios 15.6\\(2\\)sp5

cisco ios 15.2\\(2\\)e9

cisco ios xe 3.6.9ae

cisco ios 15.2\\(1\\)sy7

cisco ios 15.2\\(1\\)sy6

cisco ios 15.2\\(2\\)e9a

cisco ios 15.2\\(4\\)ea7

cisco ios xe 16.10.1

cisco ios xe 16.7.4

cisco ios xe 16.9.1a

cisco ios xe 16.9.2a

cisco ios xe 16.9.2

cisco ios xe 16.6.4a

cisco ios 15.4\\(3\\)s10

cisco ios 15.2\\(6\\)e2a

cisco ios 15.2\\(6\\)e2b

cisco ios 15.1\\(2\\)sy13

cisco ios 15.5\\(3\\)s8

cisco ios 15.2\\(4\\)e7

cisco ios 15.5\\(1\\)sy2

cisco ios 15.1\\(2\\)sy12

cisco ios 15.2\\(6\\)e2

cisco ios 15.4\\(1\\)sy4

cisco ios xe 3.7.8s

cisco ios xe 3.16.10s

cisco ios xe 16.12.1

cisco ios 15.5\\(1\\)sy4

cisco ios 15.5\\(3\\)s10

cisco ios 15.1\\(2\\)sy15

cisco ios xe 16.6.5

cisco ios xe 16.11.1

cisco ios xe 17.1.1

cisco ios 15.2\\(7\\)e

cisco ios xe 16.11.1a

cisco ios xe 16.12.1c

cisco ios xe 16.12.1t

cisco ios xe 16.11.2

cisco ios xe 16.12.1s

cisco ios xe 16.12.1a

cisco ios xe 16.12.1x

cisco ios xe 16.11.1c

cisco ios xe 16.11.1b

cisco ios xe 16.11.1s

cisco ios xe 16.12.1w

cisco ios xe 16.10.1s

cisco ios xe 16.10.1d

cisco ios xe 16.9.2s

cisco ios xe 3.11.3e

cisco ios xe 3.11.0e

cisco ios xe 3.16.9s

cisco ios xe 16.6.6

cisco ios xe 16.9.3h

cisco ios xe 16.6.5b

cisco ios xe 16.6.5a

cisco ios xe 3.8.8e

cisco ios xe 16.3.9

cisco ios xe 16.9.3a

cisco ios xe 16.10.1a

cisco ios xe 3.10.3e

cisco ios xe 16.10.1f

cisco ios xe 16.10.1g

cisco ios xe 16.10.2

cisco ios xe 16.9.3

cisco ios xe 16.12.1y

cisco ios xe 16.10.1e

cisco ios xe 16.10.1b

cisco ios xe 16.8.3

cisco ios xe 16.9.3s

cisco ios xe 16.10.1c

cisco ios xe 3.18.6sp

cisco ios xe 16.9.4

cisco ios 15.6\\(7\\)sn1

cisco ios 15.2\\(7\\)e0s

cisco ios 15.8\\(3\\)m3b

cisco ios xe 16.12.2

cisco ios 15.8\\(3\\)m3a

cisco ios 15.2\\(2\\)e10a

cisco ios 15.6\\(3\\)m6a

cisco ios 15.2\\(7\\)e0a

cisco ios 15.2\\(7a\\)e0b

cisco ios 15.6\\(3\\)m6b

cisco ios 15.2\\(7\\)e1

cisco ios 15.6\\(7\\)sn2

cisco ios xe 16.6.7a

cisco ios 15.7\\(3\\)m4

cisco ios 15.7\\(3\\)m5

cisco ios 15.7\\(3\\)m4b

cisco ios 15.2\\(4\\)e8

cisco ios 15.6\\(2\\)sp6

cisco ios 15.1\\(2\\)sy14

cisco ios 15.8\\(3\\)m1a

cisco ios xe 3.8.9e

cisco ios 15.8\\(3\\)m3

cisco ios xe 16.9.4c

cisco ios 15.5\\(3\\)s9

cisco ios xe 3.11.1e

cisco ios 15.8\\(3\\)m2a

cisco ios 15.8\\(3\\)m2

cisco ios xe 3.18.7sp

cisco ios 15.6\\(3\\)m6

cisco ios 15.8\\(3\\)m1

cisco ios 15.2\\(6\\)e3

cisco ios 15.5\\(3\\)s9a

cisco ios 15.2\\(1\\)sy8

cisco ios xe 3.11.1ae

cisco ios 15.2\\(7\\)e1a

cisco ios 15.5\\(3\\)m9

cisco ios 15.9\\(3\\)m

cisco ios 15.2\\(7\\)e0b

cisco ios 15.1\\(3\\)svs

cisco ios xe 16.12.2a

cisco ios 15.6\\(2\\)sp7

cisco ios 15.7\\(3\\)m4a

cisco ios xe 16.6.7

cisco ios 15.6\\(3\\)m7

cisco ios 15.5\\(3\\)m10

cisco ios 15.2\\(4\\)e9

cisco ios 15.9\\(3\\)m0a

cisco ios 15.5\\(1\\)sy3

cisco ios 15.2\\(6\\)eb

cisco ios xe 16.10.3

cisco ios xe 16.12.4

cisco ios 15.7\\(3\\)m6

cisco ios 15.5\\(3\\)m11

cisco ios 15.7\\(3\\)m7

cisco ios 15.6\\(3\\)m9

cisco ios 15.8\\(3\\)m4

cisco ios 15.8\\(3\\)m5

cisco ios 15.6\\(3\\)m8

cisco ios xe 16.3.10

cisco ios 15.2\\(7b\\)e0b

cisco ios xe 16.9.5

cisco ios xe 16.9.5f

cisco ios xe 16.6.8

cisco ios xe 3.18.8sp

cisco ios 15.2\\(4\\)ea9a

cisco ios 15.2\\(4\\)e10

cisco ios xe 3.8.10e

cisco ios xe 16.12.3

cisco ios xe 17.2.1

cisco ios xe 17.4.1

cisco ios xe 16.6.9

cisco ios xe 17.1.1s

cisco ios xe 16.12.2t

cisco ios xe 17.1.1a

cisco ios xe 16.12.2s

cisco ios xe 16.12.3a

cisco ios xe 3.18.8asp

cisco ios xe 17.1.1t

cisco ios xe 16.3.11

cisco ios xe 17.2.1a

cisco ios xe 17.2.1v

cisco ios xe 16.12.1z

cisco ios xe 16.12.3s

cisco ios xe 17.2.1r

cisco ios xe 17.1.2

cisco ios xe 16.12.4a

cisco ios xe 17.1.3

cisco ios xe 17.2.2

cisco ios xe 17.3.1

cisco ios xe 17.4.1a

cisco ios xe 17.3.2

cisco ios xe 17.4.1b

cisco ios xe 17.3.1a

cisco ios xe 17.3.2a

cisco ios xe 17.3.1w

cisco ios xe 17.2.3

cisco ios xe 16.9.6

cisco ios 15.5\\(1\\)sy6

cisco ios 15.2\\(7\\)e2b

cisco ios 15.2\\(7\\)e2a

cisco ios 15.5\\(3\\)s10a

cisco ios xe 3.16.10as

cisco ios xe 3.11.3ae

cisco ios 15.9\\(3\\)m2a

cisco ios 15.2\\(4\\)e10a

cisco ios 15.9\\(3\\)m1

cisco ios 15.5\\(1\\)sy5

cisco ios 15.9\\(3\\)m2

cisco ios 15.2\\(7\\)e3

cisco ios xe 3.11.2ae

cisco ios 15.2\\(7\\)e2

cisco ios xe 3.11.2e

cisco ios xe 17.3.1x

cisco ios xe 16.12.5

cisco ios xe 16.12.5b

cisco ios xe 16.12.1z1

cisco ios 15.2\\(7\\)e3k

cisco ios 15.1\\(3\\)svt1

cisco ios xe 3.7.0xbs

cisco ios xe 3.9.0xas

cisco ios xe 3.10.1xcs

cisco ios xe 16.12.5a

cisco ios 15.8\\(3\\)m6

cisco ios 15.9\\(3\\)m3

cisco ios 15.1\\(3\\)svu1

cisco ios xe 3.11.5e

cisco ios 15.2\\(8\\)e

cisco ios 15.9\\(3\\)m3b

cisco ios xe 3.16.10bs

cisco ios 15.2\\(8\\)e1

cisco ios xe 3.11.4e

cisco ios 15.6\\(2\\)sp8a

cisco ios 15.2\\(4\\)e10b

cisco ios 15.5\\(3\\)s10b

cisco ios xe 16.12.1z2

cisco ios 15.9\\(3\\)m3a

cisco ios 15.2\\(7\\)e4

cisco ios 15.5\\(3\\)m11a

cisco ios xe 17.3.1z

cisco ios xe 17.3.3

cisco ios xe 3.18.9sp

cisco ios xe 17.3.3a

cisco ios xe 17.4.1c

cisco ios 15.2\\(7\\)e5

cisco ios 15.2\\(234k\\)e

cisco ios 15.5\\(1\\)sy7

cisco ios 15.7\\(3\\)m8

cisco ios 15.6\\(2\\)sp8

cisco ios 15.6\\(2\\)sp9

cisco ios 15.5\\(1\\)sy8

cisco ios 15.2\\(7\\)e3a

cisco ios xe 16.9.7

cisco ios 15.1\\(2\\)sy16a

cisco ios 15.2\\(2\\)e10b

cisco ios 15.1\\(2\\)sy16

cisco ios xe 3.8.10ce

cisco ios 15.2\\(4\\)e10c

cisco ios 15.1\\(3\\)svu10

cisco ios xe 17.4.2

cisco ios xe 16.6.10

cisco ios xe 17.4.2a

cisco ios xe 16.9.8

cisco ios 15.7\\(3\\)m9

cisco ios 15.8\\(3\\)m7

cisco ios 15.9\\(3\\)m4a

cisco ios 15.9\\(3\\)m4

cisco ios xe 16.12.6a

cisco ios xe 16.12.6

cisco ios 15.1\\(3\\)svv1

cisco ios 15.1\\(3\\)svt3

cisco ios 15.1\\(3\\)svu2

cisco ios xe 3.11.6e

cisco ios xe 16.9.8a

cisco ios xe 16.12.7

cisco ios 15.1\\(3\\)svw

cisco ios 15.1\\(3\\)svw1

cisco ios 15.1\\(3\\)svt4

cisco ios 15.1\\(3\\)svv2

cisco ios 15.1\\(3\\)svu11

cisco ios 15.2\\(7\\)e6

cisco ios 15.1\\(3\\)svx1

cisco ios 15.1\\(3\\)svr10

cisco ios 15.1\\(3\\)svu21

cisco ios 15.9\\(3\\)m5

cisco ios 15.1\\(3\\)svx

cisco ios xe 16.9.8b

cisco ios 15.2\\(8\\)e2

cisco ios 15.1\\(3\\)svv3

cisco ios 15.8\\(3\\)m8

cisco ios 15.1\\(3\\)svu20

cisco ios 15.5\\(1\\)sy9

Vendor Advisories

A vulnerability in the IPv6 DHCP version 6 (DHCPv6) relay and server features of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to trigger a denial of service (DoS) condition This vulnerability is due to insufficient validation of data boundaries An attacker could exploit this vulnerability by sending crafted DHCPv6 ...