{"id":"CVE-2013-2037","aliases":["DEBIAN-CVE-2013-2037","EUVD-2014-0021","GHSA-q48q-77qv-cf9p","PYSEC-2014-81"],"status":"published","title":"httplib2 incorrectly checks SSL certificate","description":"httplib2 0.7.2, 0.8, and earlier, after an initial connection is made, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.","severity":{"version":"2.0","score":2.6,"vector":"AV:N/AC:H/Au:N/C:N/I:P/A:N","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01288,"percentile":0.70379,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2014-01-18T21:00:00Z","modified":"2026-09-01T20:03:15Z","fixes":[{"ecosystem":"PyPI","package":"httplib2","fixed_in":["0.10.1","0.9"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:12","package":"python-httplib2","fixed_in":["0.8-2"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"python-httplib2","fixed_in":["0.8-2"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"python-httplib2","fixed_in":["0.8-2"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"httplib2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.10.1"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"python-httplib2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8-2"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"python-httplib2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8-2"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"python-httplib2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8-2"}]}]},{"source":"osv","ecosystem":"PyPI","package":"httplib2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.10.1"}]}],"versions":["0.7.0","0.7.1","0.7.2","0.7.3","0.7.4","0.7.5","0.7.6","0.7.7","0.8","0.9","0.9.1","0.9.2"]},{"source":"osv","ecosystem":"PyPI","package":"httplib2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9"}]}],"versions":["0.7.0","0.7.1","0.7.2","0.7.3","0.7.4","0.7.5","0.7.6","0.7.7","0.8"]}],"products":[{"vendor":"canonical","product":"ubuntu_linux"},{"vendor":"httplib2_project","product":"httplib2"}],"references":[{"url":"https://bugs.launchpad.net/httplib2/+bug/1175272","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Patch","evidence","fix","web"]},{"url":"http://seclists.org/oss-sec/2013/q2/257","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory","article","web"]},{"url":"http://code.google.com/p/httplib2/issues/detail?id=282","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Third Party Advisory","advisory","evidence","web"]},{"url":"http://www.ubuntu.com/usn/USN-1948-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","Third Party Advisory","advisory","web"]},{"url":"http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=706602","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Mailing List","Third Party Advisory","advisory","article","report","web"]},{"url":"http://www.securityfocus.com/bid/52179","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-2037","tags":["advisory"]},{"url":"https://github.com/httplib2/httplib2/issues/5","tags":["web"]},{"url":"https://github.com/httplib2/httplib2/commit/40cbdcc8586f2292fa0e76a3e8c012f0cc9ed919","tags":["web"]},{"url":"https://web.archive.org/web/20200228052625/http://www.securityfocus.com/bid/52179","tags":["web"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/httplib2/PYSEC-2014-81.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-q48q-77qv-cf9p","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2013-2037","tags":["advisory"]},{"url":"https://github.com/httplib2/httplib2","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2013-2037","description":"httplib2 0.7.2, 0.8, and earlier, after an initial connection is made, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.","status":"published","published":"2014-01-18T21:00:00Z","modified":"2024-08-06T15:20:37.503Z","updated_at":"2026-11-02T14:34:56.19172Z"}],"euvd":[{"id":"EUVD-2014-0021","description":"httplib2 0.7.2, 0.8, and earlier, after an initial connection is made, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.","status":"published","published":"2014-01-18T21:00:00Z","modified":"2024-08-06T15:20:37Z","updated_at":"2026-11-03T01:56:40.030926Z"}],"ghsa":[{"id":"GHSA-q48q-77qv-cf9p","title":"httplib2 incorrectly checks SSL certificate","description":"httplib2 prior to version 0.10.1, after an initial connection is made, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.","status":"published","published":"2022-05-14T01:52:01Z","modified":"2024-09-23T16:42:54Z","cvss":[{"version":"4.0","score":6.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U","level":"medium"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:38:05.526697Z"}],"nvd":[{"id":"CVE-2013-2037","description":"httplib2 0.7.2, 0.8, and earlier, after an initial connection is made, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.","status":"published","published":"2014-01-18T21:55:03.503Z","modified":"2026-06-16T23:52:37.88Z","cvss":[{"version":"2.0","score":2.6,"vector":"AV:N/AC:H/Au:N/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:02:48.062712Z"}],"osv":[{"id":"GHSA-q48q-77qv-cf9p","title":"httplib2 incorrectly checks SSL certificate","description":"httplib2 prior to version 0.10.1, after an initial connection is made, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.","status":"published","published":"2022-05-14T01:52:01Z","modified":"2024-09-23T17:00:58.602147Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"},{"version":"4.0","score":6.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:46:54.055966Z"},{"id":"CVE-2013-2037","description":"httplib2 0.7.2, 0.8, and earlier, after an initial connection is made, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.","status":"published","published":"2014-01-18T21:55:03Z","modified":"2026-04-10T03:42:46.985735Z","updated_at":"2026-11-02T15:43:59.09154Z"},{"id":"DEBIAN-CVE-2013-2037","description":"httplib2 0.7.2, 0.8, and earlier, after an initial connection is made, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.","status":"published","published":"2014-01-18T21:55:03.503Z","modified":"2026-09-01T20:03:15.843338089Z","updated_at":"2026-11-02T15:45:25.514579Z"},{"id":"PYSEC-2014-81","description":"httplib2 0.7.2, 0.8, and earlier, after an initial connection is made, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.","status":"published","published":"2014-01-18T21:55:00Z","modified":"2026-06-10T17:01:57.035946374Z","updated_at":"2026-11-02T15:52:51.645172Z"}]}}