CVE-2012-5424

Name: CVE-2012-5424
Creator: NVD / NIST
Published: 2012-11-07T23:55:01.32+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.45%

Last modified Jun 16, 2026

CVE-2012-5424 is a vulnerability of currently unknown severity. Cisco Secure Access Control System (ACS) 5.x before 5.2 Patch 11 and 5.3 before 5.3 Patch 7, when a certain configuration involving TACACS+ and LDAP is used, does not properly validate passwords, which allows remote attackers to bypass authentication by sending a valid username and a crafted password string, aka Bug ID CSCuc65634.. EPSS estimates a 2.45% chance of exploitation in the next 30 days.

Description

Cisco Secure Access Control System (ACS) 5.x before 5.2 Patch 11 and 5.3 before 5.3 Patch 7, when a certain configuration involving TACACS+ and LDAP is used, does not properly validate passwords, which allows remote attackers to bypass authentication by sending a valid username and a crafted password string, aka Bug ID CSCuc65634.

Metrics

EPSS Probability

2.45%

82.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Cisco	Secure Access Control Server	5.0
Cisco	Secure Access Control Server	5.1
Cisco	Secure Access Control Server	5.2
Cisco	Secure Access Control Server	5.3

References

Timeline

Published: Nov 7, 2012
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2012-5424?

How severe is CVE-2012-5424?

Severity scoring for CVE-2012-5424 is pending analysis. The EPSS model estimates a 2.45% probability of exploitation in the next 30 days.

How do I fix CVE-2012-5424?

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-2012-5424?

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

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Source: NVD / NIST