{"id":"CVE-2013-6686","aliases":["EUVD-2013-6488","GHSA-7467-v6r8-xmjw"],"status":"published","title":"The SSL VPN implementation in Cisco IOS 15.3(1)T2 and earlier allows remote authenticated users...","description":"The SSL VPN implementation in Cisco IOS 15.3(1)T2 and earlier allows remote authenticated users to cause a denial of service (interface queue wedge) via crafted DTLS packets in an SSL session, aka Bug IDs CSCuh97409 and CSCud90568.","severity":{"version":"2.0","score":6.8,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:C","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01498,"percentile":0.74428,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2013-11-16T02:00:00Z","modified":"2026-06-17T00:00:48Z","products":[{"vendor":"cisco","product":"ios"}],"references":[{"url":"http://tools.cisco.com/security/center/viewAlert.x?alertId=31757","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-6686","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-6686"},{"url":"https://github.com/advisories/GHSA-7467-v6r8-xmjw"}],"sources":{"cve":[{"id":"CVE-2013-6686","description":"The SSL VPN implementation in Cisco IOS 15.3(1)T2 and earlier allows remote authenticated users to cause a denial of service (interface queue wedge) via crafted DTLS packets in an SSL session, aka Bug IDs CSCuh97409 and CSCud90568.","status":"published","published":"2013-11-16T02:00:00Z","modified":"2024-09-17T04:20:11.858Z","updated_at":"2026-11-02T14:34:57.499208Z"}],"euvd":[{"id":"EUVD-2013-6488","description":"The SSL VPN implementation in Cisco IOS 15.3(1)T2 and earlier allows remote authenticated users to cause a denial of service (interface queue wedge) via crafted DTLS packets in an SSL session, aka Bug IDs CSCuh97409 and CSCud90568.","status":"published","published":"2013-11-16T02:00:00Z","modified":"2024-09-17T04:20:11Z","updated_at":"2026-11-03T00:28:23.906788Z"}],"ghsa":[{"id":"GHSA-7467-v6r8-xmjw","title":"The SSL VPN implementation in Cisco IOS 15.3(1)T2 and earlier allows remote authenticated users...","description":"The SSL VPN implementation in Cisco IOS 15.3(1)T2 and earlier allows remote authenticated users to cause a denial of service (interface queue wedge) via crafted DTLS packets in an SSL session, aka Bug IDs CSCuh97409 and CSCud90568.","status":"published","published":"2022-05-17T04:58:05Z","modified":"2023-01-28T05:02:52Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:43:51.685777Z"}],"nvd":[{"id":"CVE-2013-6686","description":"The SSL VPN implementation in Cisco IOS 15.3(1)T2 and earlier allows remote authenticated users to cause a denial of service (interface queue wedge) via crafted DTLS packets in an SSL session, aka Bug IDs CSCuh97409 and CSCud90568.","status":"published","published":"2013-11-18T03:55:06.07Z","modified":"2026-06-17T00:00:48.06Z","cvss":[{"version":"2.0","score":6.8,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:02:40.988689Z"}]}}