{"id":"CVE-2011-0949","aliases":["EUVD-2011-0961","GHSA-2j4h-p58q-g7mp"],"status":"published","title":"Cisco IOS XR 3.6.x, 3.8.x before 3.8.3, and 3.9.x before 3.9.1 does not properly remove sshd_lock...","description":"Cisco IOS XR 3.6.x, 3.8.x before 3.8.3, and 3.9.x before 3.9.1 does not properly remove sshd_lock files from /tmp/, which allows remote attackers to cause a denial of service (disk consumption) by making many SSHv1 connections, aka Bug ID CSCtd64417.","severity":{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01205,"percentile":0.68507,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-399"],"published":"2011-05-31T20:00:00Z","modified":"2026-06-16T23:28:20Z","products":[{"vendor":"cisco","product":"ios_xr"}],"references":[{"url":"http://www.cisco.com/en/US/products/products_security_advisory09186a0080b7f18f.shtml","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-0949"},{"url":"https://github.com/advisories/GHSA-2j4h-p58q-g7mp"}],"sources":{"cve":[{"id":"CVE-2011-0949","description":"Cisco IOS XR 3.6.x, 3.8.x before 3.8.3, and 3.9.x before 3.9.1 does not properly remove sshd_lock files from /tmp/, which allows remote attackers to cause a denial of service (disk consumption) by making many SSHv1 connections, aka Bug ID CSCtd64417.","status":"published","published":"2011-05-31T20:00:00Z","modified":"2024-09-17T03:27:44.043Z","updated_at":"2026-11-02T14:35:39.447402Z"}],"euvd":[{"id":"EUVD-2011-0961","description":"Cisco IOS XR 3.6.x, 3.8.x before 3.8.3, and 3.9.x before 3.9.1 does not properly remove sshd_lock files from /tmp/, which allows remote attackers to cause a denial of service (disk consumption) by making many SSHv1 connections, aka Bug ID CSCtd64417.","status":"published","published":"2011-05-31T20:00:00Z","modified":"2024-09-17T03:27:44Z","updated_at":"2026-11-03T00:28:31.565881Z"}],"ghsa":[{"id":"GHSA-2j4h-p58q-g7mp","title":"Cisco IOS XR 3.6.x, 3.8.x before 3.8.3, and 3.9.x before 3.9.1 does not properly remove sshd_lock...","description":"Cisco IOS XR 3.6.x, 3.8.x before 3.8.3, and 3.9.x before 3.9.1 does not properly remove sshd_lock files from /tmp/, which allows remote attackers to cause a denial of service (disk consumption) by making many SSHv1 connections, aka Bug ID CSCtd64417.","status":"published","published":"2022-05-17T05:40:16Z","modified":"2023-01-28T05:04:22Z","updated_at":"2026-11-02T14:44:09.520474Z"}],"nvd":[{"id":"CVE-2011-0949","description":"Cisco IOS XR 3.6.x, 3.8.x before 3.8.3, and 3.9.x before 3.9.1 does not properly remove sshd_lock files from /tmp/, which allows remote attackers to cause a denial of service (disk consumption) by making many SSHv1 connections, aka Bug ID CSCtd64417.","status":"published","published":"2011-05-31T20:55:01.877Z","modified":"2026-06-16T23:28:20.487Z","cvss":[{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:02:08.47516Z"}]}}