CVE-2011-0935

Description

The PKI functionality in Cisco IOS 15.0 and 15.1 does not prevent permanent caching of certain public keys, which allows remote attackers to bypass authentication and have unspecified other impact by leveraging an IKE peer relationship in which a key was previously valid but later revoked, aka Bug ID CSCth82164, a different vulnerability than CVE-2010-4685.

Category

10.0
CVSS
Severity: Critical
CVSS 2.0 •
EPSS 1.59% Top 20%
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.cisco.com/en/US/docs/ios/15_1/release/notes/151-2TCAVS.html
http://www.cisco.com/en/US/docs/ios/15_1s/release/notes/15_1s_caveats_15_1_1s.html
http://www.securityfocus.com/bid/47407 vdb entry

Frequently Asked Questions

What is the severity of CVE-2011-0935?
CVE-2011-0935 has been scored as a critical severity vulnerability.
How to fix CVE-2011-0935?
To fix CVE-2011-0935, 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-2011-0935 being actively exploited in the wild?
It is possible that CVE-2011-0935 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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