{"id":"CVE-2010-4340","aliases":["DEBIAN-CVE-2010-4340","EUVD-2011-0001","GHSA-w3j6-8j34-q43x","PYSEC-2011-24"],"status":"published","title":"Apache Libcloud does not verify SSL certificates for HTTPS connections","description":"libcloud before 0.4.1 does not verify SSL certificates for HTTPS connections, which allows remote attackers to spoof certificates and bypass intended access restrictions via a man-in-the-middle (MITM) attack.","severity":{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01379,"percentile":0.72283,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-264","CWE-295"],"published":"2011-09-11T20:00:00Z","modified":"2026-10-23T17:47:48Z","fixes":[{"ecosystem":"PyPI","package":"apache-libcloud","fixed_in":["0.4.0","0.4.2"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:12","package":"libcloud","fixed_in":["0.5.0-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"libcloud","fixed_in":["0.5.0-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"libcloud","fixed_in":["0.5.0-1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"apache-libcloud","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4.0"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"libcloud","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.5.0-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"libcloud","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.5.0-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"libcloud","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.5.0-1"}]}]},{"source":"osv","ecosystem":"PyPI","package":"apache-libcloud","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4.0"}]}],"versions":["0.3.1"]},{"source":"osv","ecosystem":"PyPI","package":"apache-libcloud","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4.2"}]}],"versions":["0.3.1","0.4.0"]}],"products":[{"vendor":"apache","product":"libcloud"}],"references":[{"url":"http://mail-archives.apache.org/mod_mbox/incubator-libcloud/201009.mbox/%3C5860913.463891285776633273.JavaMail.jira%40thor%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://wiki.apache.org/incubator/LibcloudSSL","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=598463","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://mail-archives.apache.org/mod_mbox/incubator-libcloud/201011.mbox/browser","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://issues.apache.org/jira/browse/LIBCLOUD-55","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2010-4340","tags":["advisory"]},{"url":"http://mail-archives.apache.org/mod_mbox/incubator-libcloud/201009.mbox/%3C5860913.463891285776633273.JavaMail.jira@thor%3E","tags":["web"]},{"url":"https://github.com/apache/libcloud/commit/87ee61e6ba03a43dcefea2ce180988bec066b6fd","tags":["web"]},{"url":"https://bugs.python.org/issue1589","tags":["web"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/apache-libcloud/PYSEC-2011-24.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-w3j6-8j34-q43x","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2010-4340","tags":["advisory"]},{"url":"https://github.com/apache/libcloud","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2010-4340","description":"libcloud before 0.4.1 does not verify SSL certificates for HTTPS connections, which allows remote attackers to spoof certificates and bypass intended access restrictions via a man-in-the-middle (MITM) attack.","status":"published","published":"2011-09-11T20:00:00Z","modified":"2024-09-17T01:35:31.677Z","updated_at":"2026-11-02T14:33:28.858903Z"}],"euvd":[{"id":"EUVD-2011-0001","description":"libcloud before 0.4.1 does not verify SSL certificates for HTTPS connections, which allows remote attackers to spoof certificates and bypass intended access restrictions via a man-in-the-middle (MITM) attack.","status":"published","published":"2011-09-11T20:00:00Z","modified":"2024-09-17T01:35:31Z","updated_at":"2026-11-03T00:28:48.402396Z"}],"ghsa":[{"id":"GHSA-w3j6-8j34-q43x","title":"Apache Libcloud does not verify SSL certificates for HTTPS connections","description":"libcloud before 0.4.0 does not verify SSL certificates for HTTPS connections, which allows remote attackers to spoof certificates and bypass intended access restrictions via a man-in-the-middle (MITM) attack. 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