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CVE-2015-6279

The IPv6 snooping functionality in the first-hop security subsystem in Cisco IOS 12.2, 15.0, 15.1, 15.2, 15.3, 15.4, and 15.5 and IOS XE 3.2SE, 3.3SE, 3.3XO, 3…

Impact

The IPv6 snooping functionality in the first-hop security subsystem in Cisco IOS 12.2, 15.0, 15.1, 15.2, 15.3, 15.4, and 15.5 and IOS XE 3.2SE, 3.3SE, 3.3XO, 3.4SG, 3.5E, and 3.6E before 3.6.3E; 3.7E before 3.7.2E; 3.9S and 3.10S before 3.10.6S; 3.11S before 3.11.4S; 3.12S and 3.13S before 3.13.3S; and 3.14S before 3.14.2S allows remote attackers to cause a denial of service (device reload) via a malformed ND packet with the Cryptographically Generated Address (CGA) option, aka Bug ID CSCuo04400.

Affected products

VendorProductAffected versions
CiscoIos
Versions 12.2\(50\)sy, 12.2\(50\)sy1, 12.2\(50\)sy2, 12.2\(50\)sy3, 12.2\(50\)sy4, 15.0\(1\)ex
CiscoIos Xe
Versions 3.2se.0, 3.2se.1, 3.2se.2, 3.2se.3, 3.3se.0, 3.3se.1

Weakness classification

CWE-20

References