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, 3.4SG, 3.5E, and 3.6E…

Unscored severity · published Sep 28, 2015

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, 3.4SG, 3.5E, and 3.6E…

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CVSS

3.2%

EPSS

On KEV

Description

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.

Exploitation

Is it being used?

Exploit prediction (EPSS)3.2% · higher than 88% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

IOS XE · Cisco

3.2se.0; 3.2se.1; 3.2se.2; 3.2se.3; 3.3se.0; 3.3se.1; +34 more · source: NVD

Ios · Cisco

12.2(50)sy; 12.2(50)sy1; 12.2(50)sy2; 12.2(50)sy3; 12.2(50)sy4; 15.0(1)ex; +34 more · source: NVD