What’s Vulnerable › Vulnerabilities

CVE-2013-0013

• Severity: medium (CVSS 5.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 6.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2013-01-09 · updated 2026-06-16
• Weakness: CWE-264

Description

The SSL provider component in Microsoft Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, Windows 7 Gold and SP1, Windows 8, Windows Server 2012, and Windows RT does not properly handle encrypted packets, which allows man-in-the-middle attackers to conduct SSLv2 downgrade attacks against (1) SSLv3 sessions or (2) TLS sessions by intercepting handshakes and injecting content, aka "Microsoft SSL Version 3 and TLS Protocol Security Feature Bypass Vulnerability."

Affected products

• Microsoft Windows 7: all versions
• Microsoft Windows 8: all versions
• Microsoft Windows Rt: all versions
• Microsoft Windows Server 2008: all versions
• Microsoft Windows Server 2012: all versions
• Microsoft Windows Vista: all versions

References

• http://www.us-cert.gov/cas/techalerts/TA13-008A.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-006
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16273
• http://www.us-cert.gov/cas/techalerts/TA13-008A.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-006
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16273

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