{"id":"CVE-2012-3918","aliases":["EUVD-2012-3862","GHSA-2534-vvmm-cq7j"],"status":"published","title":"Cisco IOS before 15.3(1)T on Cisco 2900 devices, when a VWIC2-2MFT-T1/E1 card is configured for...","description":"Cisco IOS before 15.3(1)T on Cisco 2900 devices, when a VWIC2-2MFT-T1/E1 card is configured for TDM/HDLC mode, allows remote attackers to cause a denial of service (serial-interface outage) via certain Frame Relay traffic, aka Bug ID CSCub13317.","severity":{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01084,"percentile":0.65441,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2014-04-23T10:00:00Z","modified":"2026-06-16T23:44:05Z","products":[{"vendor":"cisco","product":"catalyst_2900"},{"vendor":"cisco","product":"catalyst_2900_vlan"},{"vendor":"cisco","product":"catalyst_2900xl"},{"vendor":"cisco","product":"ios"}],"references":[{"url":"http://www.cisco.com/c/en/us/td/docs/ios/15_3m_and_t/release/notes/15_3m_and_t.pdf","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-3918"},{"url":"https://github.com/advisories/GHSA-2534-vvmm-cq7j"}],"sources":{"cve":[{"id":"CVE-2012-3918","description":"Cisco IOS before 15.3(1)T on Cisco 2900 devices, when a VWIC2-2MFT-T1/E1 card is configured for TDM/HDLC mode, allows remote attackers to cause a denial of service (serial-interface outage) via certain Frame Relay traffic, aka Bug ID CSCub13317.","status":"published","published":"2014-04-23T10:00:00Z","modified":"2024-08-06T20:21:04.201Z","updated_at":"2026-11-02T14:34:50.615647Z"}],"euvd":[{"id":"EUVD-2012-3862","description":"Cisco IOS before 15.3(1)T on Cisco 2900 devices, when a VWIC2-2MFT-T1/E1 card is configured for TDM/HDLC mode, allows remote attackers to cause a denial of service (serial-interface outage) via certain Frame Relay traffic, aka Bug ID CSCub13317.","status":"published","published":"2014-04-23T10:00:00Z","modified":"2024-08-06T20:21:04Z","updated_at":"2026-11-03T01:56:09.412323Z"}],"ghsa":[{"id":"GHSA-2534-vvmm-cq7j","title":"Cisco IOS before 15.3(1)T on Cisco 2900 devices, when a VWIC2-2MFT-T1/E1 card is configured for...","description":"Cisco IOS before 15.3(1)T on Cisco 2900 devices, when a VWIC2-2MFT-T1/E1 card is configured for TDM/HDLC mode, allows remote attackers to cause a denial of service (serial-interface outage) via certain Frame Relay traffic, aka Bug ID CSCub13317.","status":"published","published":"2022-05-17T04:46:04Z","modified":"2023-01-28T05:02:39Z","updated_at":"2026-11-02T14:43:49.260703Z"}],"nvd":[{"id":"CVE-2012-3918","description":"Cisco IOS before 15.3(1)T on Cisco 2900 devices, when a VWIC2-2MFT-T1/E1 card is configured for TDM/HDLC mode, allows remote attackers to cause a denial of service (serial-interface outage) via certain Frame Relay traffic, aka Bug ID CSCub13317.","status":"published","published":"2014-04-23T11:52:59.073Z","modified":"2026-06-16T23:44:05.423Z","cvss":[{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:02:17.748457Z"}]}}