CVE-2011-4151

Name: CVE-2011-4151
Creator: NVD / NIST
Published: 2011-10-20T21:55:01.043+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.54%

Last modified Jun 16, 2026

CVE-2011-4151 is a vulnerability of currently unknown severity. The krb5_db2_lockout_audit function in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.8 through 1.8.4, when the db2 (aka Berkeley DB) back end is used, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via unspecified vectors, a different vulnerability than CVE-2011-1528.. EPSS estimates a 3.54% chance of exploitation in the next 30 days.

Description

The krb5_db2_lockout_audit function in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.8 through 1.8.4, when the db2 (aka Berkeley DB) back end is used, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via unspecified vectors, a different vulnerability than CVE-2011-1528.

Metrics

EPSS Probability

3.54%

87.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Mit	Kerberos 5	1.8
Mit	Kerberos 5	1.8.1
Mit	Kerberos 5	1.8.2
Mit	Kerberos 5	1.8.3
Mit	Kerberos 5	1.8.4

References

http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-006.txtVendor Advisory
http://www.kb.cert.org/vuls/id/659251US Government Resource
https://exchange.xforce.ibmcloud.com/vulnerabilities/70891
http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-006.txtVendor Advisory
http://www.kb.cert.org/vuls/id/659251US Government Resource
https://exchange.xforce.ibmcloud.com/vulnerabilities/70891

Timeline

Published: Oct 20, 2011
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2011-4151?

How severe is CVE-2011-4151?

Severity scoring for CVE-2011-4151 is pending analysis. The EPSS model estimates a 3.54% probability of exploitation in the next 30 days.

How do I fix CVE-2011-4151?

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-2011-4151?

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

Scan your code now

Source: NVD / NIST