{"id":"CVE-2013-0013","aliases":["EUVD-2013-0056","GHSA-gqc6-93mr-cx6v"],"status":"published","title":"The SSL provider component in Microsoft Windows Vista SP2, Windows Server 2008 SP2, R2, and R2...","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.\"","severity":{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.06351,"percentile":0.93685,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-264"],"published":"2013-01-09T18:00:00Z","modified":"2026-06-16T23:48:42Z","products":[{"vendor":"microsoft","product":"windows_7"},{"vendor":"microsoft","product":"windows_8"},{"vendor":"microsoft","product":"windows_rt"},{"vendor":"microsoft","product":"windows_server_2008"},{"vendor":"microsoft","product":"windows_server_2012"},{"vendor":"microsoft","product":"windows_vista"}],"references":[{"url":"http://www.us-cert.gov/cas/techalerts/TA13-008A.html","tags":["third-party-advisory","x_refsource_CERT","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16273","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-006","tags":["vendor-advisory","x_refsource_MS","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-0013"},{"url":"https://github.com/advisories/GHSA-gqc6-93mr-cx6v"}],"sources":{"cve":[{"id":"CVE-2013-0013","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.\"","status":"published","published":"2013-01-09T18:00:00Z","modified":"2024-08-06T14:10:56.761Z","updated_at":"2026-11-02T14:34:59.222149Z"}],"euvd":[{"id":"EUVD-2013-0056","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.\"","status":"published","published":"2013-01-09T18:00:00Z","modified":"2024-08-06T14:10:56Z","updated_at":"2026-11-03T01:56:46.673626Z"}],"ghsa":[{"id":"GHSA-gqc6-93mr-cx6v","title":"The SSL provider component in Microsoft Windows Vista SP2, Windows Server 2008 SP2, R2, and R2...","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.\"","status":"published","published":"2022-05-05T02:48:14Z","modified":"2023-02-01T05:01:52Z","updated_at":"2026-11-02T14:49:48.187575Z"}],"nvd":[{"id":"CVE-2013-0013","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.\"","status":"published","published":"2013-01-09T18:09:40.54Z","modified":"2026-06-16T23:48:42.083Z","cvss":[{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-264"],"updated_at":"2026-11-02T14:02:21.222658Z"}]}}