{"id":"CVE-2013-5477","aliases":["EUVD-2013-5317","GHSA-hpvx-4qg5-5q4q"],"status":"published","title":"The T1/E1 driver-queue functionality in Cisco IOS 12.2 and 15.0 through 15.3, when an HDLC32...","description":"The T1/E1 driver-queue functionality in Cisco IOS 12.2 and 15.0 through 15.3, when an HDLC32 driver is used, allows remote attackers to cause a denial of service (interface queue wedge) via bursty network traffic, aka Bug ID CSCub67465.","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":"2026-11-07","score":0.01887,"percentile":0.79655,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2013-09-27T10:00:00Z","modified":"2026-06-16T23:58:53Z","products":[{"vendor":"cisco","product":"ios"}],"references":[{"url":"http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130925-wedge","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-5477"},{"url":"https://github.com/advisories/GHSA-hpvx-4qg5-5q4q"}],"sources":{"cve":[{"id":"CVE-2013-5477","description":"The T1/E1 driver-queue functionality in Cisco IOS 12.2 and 15.0 through 15.3, when an HDLC32 driver is used, allows remote attackers to cause a denial of service (interface queue wedge) via bursty network traffic, aka Bug ID CSCub67465.","status":"published","published":"2013-09-27T10:00:00Z","modified":"2024-09-16T23:01:09.787Z","updated_at":"2026-11-02T14:34:55.098814Z"}],"euvd":[{"id":"EUVD-2013-5317","description":"The T1/E1 driver-queue functionality in Cisco IOS 12.2 and 15.0 through 15.3, when an HDLC32 driver is used, allows remote attackers to cause a denial of service (interface queue wedge) via bursty network traffic, aka Bug ID CSCub67465.","status":"published","published":"2013-09-27T10:00:00Z","modified":"2024-09-16T23:01:09Z","updated_at":"2026-11-03T00:54:57.7565Z"}],"ghsa":[{"id":"GHSA-hpvx-4qg5-5q4q","title":"The T1/E1 driver-queue functionality in Cisco IOS 12.2 and 15.0 through 15.3, when an HDLC32...","description":"The T1/E1 driver-queue functionality in Cisco IOS 12.2 and 15.0 through 15.3, when an HDLC32 driver is used, allows remote attackers to cause a denial of service (interface queue wedge) via bursty network traffic, aka Bug ID CSCub67465.","status":"published","published":"2022-05-17T05:03:06Z","modified":"2023-01-28T05:03:06Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:43:54.46226Z"}],"nvd":[{"id":"CVE-2013-5477","description":"The T1/E1 driver-queue functionality in Cisco IOS 12.2 and 15.0 through 15.3, when an HDLC32 driver is used, allows remote attackers to cause a denial of service (interface queue wedge) via bursty network traffic, aka Bug ID CSCub67465.","status":"published","published":"2013-09-27T10:08:04.273Z","modified":"2026-06-16T23:58:53.027Z","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-20"],"updated_at":"2026-11-02T14:02:38.715467Z"}]}}