CVE-2015-6279

UnknownEPSS 3.22%

Last modified

CVE-2015-6279 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 3.22% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
3.22%

86.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoIos12.2\(50\)sy
CiscoIos12.2\(50\)sy1
CiscoIos12.2\(50\)sy2
CiscoIos12.2\(50\)sy3
CiscoIos12.2\(50\)sy4
CiscoIos15.0\(1\)ex
CiscoIos15.0\(1\)sy
CiscoIos15.0\(1\)sy1
CiscoIos15.0\(1\)sy2
CiscoIos15.0\(1\)sy3
CiscoIos15.0\(1\)sy4
CiscoIos15.0\(1\)sy5
CiscoIos15.0\(1\)sy6
CiscoIos15.0\(1\)sy7
CiscoIos15.0\(1\)sy7a
CiscoIos15.0\(1\)sy8
CiscoIos15.0\(2\)ea2
CiscoIos15.0\(2\)ej
CiscoIos15.0\(2\)ej1
CiscoIos15.0\(2\)ez
CiscoIos15.0\(2\)se
CiscoIos15.0\(2\)se1
CiscoIos15.0\(2\)se2
CiscoIos15.0\(2\)se3
CiscoIos15.0\(2\)se4
CiscoIos15.0\(2\)se5
CiscoIos15.0\(2\)se6
CiscoIos15.0\(2\)se7
CiscoIos15.0\(2a\)ex5
CiscoIos15.1\(1\)sy
CiscoIos15.1\(1\)sy1
CiscoIos15.1\(1\)sy2
CiscoIos15.1\(1\)sy3
CiscoIos15.1\(1\)sy4
CiscoIos15.1\(1\)sy5
CiscoIos15.1\(2\)sg
CiscoIos15.1\(2\)sg1
CiscoIos15.1\(2\)sg2
CiscoIos15.1\(2\)sg3
CiscoIos15.1\(2\)sg4
CiscoIos15.1\(2\)sg5
CiscoIos15.1\(2\)sy
CiscoIos15.1\(2\)sy1
CiscoIos15.1\(2\)sy2
CiscoIos15.1\(2\)sy3
CiscoIos15.1\(2\)sy4
CiscoIos15.1\(2\)sy4a
CiscoIos15.2\(1\)e
CiscoIos15.2\(1\)e1
CiscoIos15.2\(1\)e2

Showing 50 of 139 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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 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.
How severe is CVE-2015-6279?
Severity scoring for CVE-2015-6279 is pending analysis. The EPSS model estimates a 3.22% probability of exploitation in the next 30 days.
How do I fix CVE-2015-6279?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-6279?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST