What’s Vulnerable › Vulnerabilities

CVE-2012-2549

• Severity: medium (CVSS 5.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 10.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2012-12-12 · updated 2026-06-16
• Weakness: CWE-20

Description

The IP-HTTPS server in Windows Server 2008 R2 and R2 SP1 and Server 2012 does not properly validate certificates, which allows remote attackers to bypass intended access restrictions via a revoked certificate, aka "Revoked Certificate Bypass Vulnerability."

Affected products

• Microsoft Windows Server 2008: all versions
• Microsoft Windows Server 2012: all versions

References

• http://www.us-cert.gov/cas/techalerts/TA12-346A.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-083
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16117
• http://www.us-cert.gov/cas/techalerts/TA12-346A.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-083
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16117

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