CVE-2011-0935

Name: CVE-2011-0935
Creator: NVD / NIST
Published: 2011-04-14T16:55:01.317+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.99%

Last modified Jun 16, 2026

CVE-2011-0935 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 3.99% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

3.99%

89.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-310

Affected Software

Vendor	Product	Versions
Cisco	Ios	15.0
Cisco	Ios	15.1

References

Timeline

Published: Apr 14, 2011
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2011-0935?

How severe is CVE-2011-0935?

Severity scoring for CVE-2011-0935 is pending analysis. The EPSS model estimates a 3.99% probability of exploitation in the next 30 days.

How do I fix CVE-2011-0935?

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-2011-0935?

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

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Source: NVD / NIST