{"id":"CVE-2015-6409","aliases":["EUVD-2015-6351","GHSA-w4rj-fr95-86j5"],"status":"published","title":"Cisco Jabber 10.6.x, 11.0.x, and 11.1.x on Windows allows man-in-the-middle attackers to conduct...","description":"Cisco Jabber 10.6.x, 11.0.x, and 11.1.x on Windows allows man-in-the-middle attackers to conduct STARTTLS downgrade attacks and trigger cleartext XMPP sessions via unspecified vectors, aka Bug ID CSCuw87419.","severity":{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.01341,"percentile":0.71493,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2015-12-26T22:00:00Z","modified":"2026-06-17T00:30:50Z","products":[{"vendor":"cisco","product":"jabber"}],"references":[{"url":"http://www.securityfocus.com/bid/79678","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.synacktiv.com/ressources/cisco_jabber_starttls_downgrade.pdf","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"http://www.securitytracker.com/id/1034540","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151224-jab","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-6409"},{"url":"https://github.com/advisories/GHSA-w4rj-fr95-86j5"}],"sources":{"cve":[{"id":"CVE-2015-6409","description":"Cisco Jabber 10.6.x, 11.0.x, and 11.1.x on Windows allows man-in-the-middle attackers to conduct STARTTLS downgrade attacks and trigger cleartext XMPP sessions via unspecified vectors, aka Bug ID CSCuw87419.","status":"published","published":"2015-12-26T22:00:00Z","modified":"2024-08-06T07:22:21.483Z","updated_at":"2026-11-02T14:35:42.984856Z"}],"euvd":[{"id":"EUVD-2015-6351","description":"Cisco Jabber 10.6.x, 11.0.x, and 11.1.x on Windows allows man-in-the-middle attackers to conduct STARTTLS downgrade attacks and trigger cleartext XMPP sessions via unspecified vectors, aka Bug ID CSCuw87419.","status":"published","published":"2015-12-26T22:00:00Z","modified":"2024-08-06T07:22:21Z","updated_at":"2026-11-03T02:21:56.126868Z"}],"ghsa":[{"id":"GHSA-w4rj-fr95-86j5","title":"Cisco Jabber 10.6.x, 11.0.x, and 11.1.x on Windows allows man-in-the-middle attackers to conduct...","description":"Cisco Jabber 10.6.x, 11.0.x, and 11.1.x on Windows allows man-in-the-middle attackers to conduct STARTTLS downgrade attacks and trigger cleartext XMPP sessions via unspecified vectors, aka Bug ID CSCuw87419.","status":"published","published":"2022-05-17T03:26:33Z","modified":"2023-01-27T05:07:53Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:43:12.437336Z"}],"nvd":[{"id":"CVE-2015-6409","description":"Cisco Jabber 10.6.x, 11.0.x, and 11.1.x on Windows allows man-in-the-middle attackers to conduct STARTTLS downgrade attacks and trigger cleartext XMPP sessions via unspecified vectors, aka Bug ID CSCuw87419.","status":"published","published":"2015-12-26T22:59:00.1Z","modified":"2026-06-17T00:30:50.79Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:03:15.746629Z"}]}}