CVE-2015-6278

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 does not properly implement the Control Plane Protection (aka CPPr) feature, which allows remote attackers to cause a denial of service (device reload) via a flood of ND packets, aka Bug ID CSCus19794.

Category

7.8
CVSS
Severity: High
CVSS 2.0 •
EPSS 1.24% Top 25%
Vendor Advisory cisco.com Vendor Advisory cisco.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150923-fhs/cvrf/cisco-sa-20150923-fhs_cvrf.xml vendor advisory
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150923-fhs vendor advisory
http://www.securitytracker.com/id/1033647 third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2015-6278?
CVE-2015-6278 has been scored as a high severity vulnerability.
How to fix CVE-2015-6278?
To fix CVE-2015-6278, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-6278 being actively exploited in the wild?
It is possible that CVE-2015-6278 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.