What’s Vulnerable › Vulnerabilities

CVE-2011-0043

• Severity: high (CVSS 7.2 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2011-02-10 · updated 2026-06-16
• Weakness: CWE-310

Description

Kerberos in Microsoft Windows XP SP2 and SP3 and Server 2003 SP2 supports weak hashing algorithms, which allows local users to gain privileges by operating a service that sends crafted service tickets, as demonstrated by the CRC32 algorithm, aka "Kerberos Unkeyed Checksum Vulnerability."

Affected products

• Microsoft Windows 2003 Server: all versions
• Microsoft Windows Server 2003: all versions
• Microsoft Windows XP Service Pack 3: all versions

References

• http://osvdb.org/70834
• http://secunia.com/advisories/43251
• http://support.avaya.com/css/P8/documents/100127250
• http://www.securityfocus.com/bid/46130
• http://www.securitytracker.com/id?1025048
• http://www.vupen.com/english/advisories/2011/0326
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-013
• https://exchange.xforce.ibmcloud.com/vulnerabilities/64900
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12432
• http://osvdb.org/70834
• http://secunia.com/advisories/43251
• http://support.avaya.com/css/P8/documents/100127250

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