CVE-2011-4151

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2011-10-20 · updated 2026-06-16
Weakness: CWE-20

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.

Affected products

MIT Kerberos 5: 1.8, 1.8.1, 1.8.2, 1.8.3, 1.8.4

References

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

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