{"id":"CVE-2014-2111","aliases":["EUVD-2014-2151","GHSA-wmxv-979m-7vpj"],"status":"published","title":"The Application Layer Gateway (ALG) module in Cisco IOS 12.2 through 12.4 and 15.0 through 15.4,...","description":"The Application Layer Gateway (ALG) module in Cisco IOS 12.2 through 12.4 and 15.0 through 15.4, when NAT is used, allows remote attackers to cause a denial of service (device reload) via crafted DNS packets, aka Bug ID CSCue00996.","severity":{"version":"2.0","score":7.1,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.01676,"percentile":0.77021,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2014-03-27T21:00:00Z","modified":"2026-06-17T00:06:04Z","products":[{"vendor":"cisco","product":"ios"}],"references":[{"url":"http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140326-nat","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/66470","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2014-2111"},{"url":"https://github.com/advisories/GHSA-wmxv-979m-7vpj"}],"sources":{"cve":[{"id":"CVE-2014-2111","description":"The Application Layer Gateway (ALG) module in Cisco IOS 12.2 through 12.4 and 15.0 through 15.4, when NAT is used, allows remote attackers to cause a denial of service (device reload) via crafted DNS packets, aka Bug ID CSCue00996.","status":"published","published":"2014-03-27T21:00:00Z","modified":"2024-08-06T10:05:59.731Z","updated_at":"2026-11-02T14:33:43.883586Z"}],"euvd":[{"id":"EUVD-2014-2151","description":"The Application Layer Gateway (ALG) module in Cisco IOS 12.2 through 12.4 and 15.0 through 15.4, when NAT is used, allows remote attackers to cause a denial of service (device reload) via crafted DNS packets, aka Bug ID CSCue00996.","status":"published","published":"2014-03-27T21:00:00Z","modified":"2024-08-06T10:05:59Z","updated_at":"2026-11-03T01:57:15.270389Z"}],"ghsa":[{"id":"GHSA-wmxv-979m-7vpj","title":"The Application Layer Gateway (ALG) module in Cisco IOS 12.2 through 12.4 and 15.0 through 15.4,...","description":"The Application Layer Gateway (ALG) module in Cisco IOS 12.2 through 12.4 and 15.0 through 15.4, when NAT is used, allows remote attackers to cause a denial of service (device reload) via crafted DNS packets, aka Bug ID CSCue00996.","status":"published","published":"2022-05-17T02:44:28Z","modified":"2023-01-27T05:05:40Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:42:44.481749Z"}],"nvd":[{"id":"CVE-2014-2111","description":"The Application Layer Gateway (ALG) module in Cisco IOS 12.2 through 12.4 and 15.0 through 15.4, when NAT is used, allows remote attackers to cause a denial of service (device reload) via crafted DNS packets, aka Bug ID CSCue00996.","status":"published","published":"2014-03-27T21:55:09.063Z","modified":"2026-06-17T00:06:04.917Z","cvss":[{"version":"2.0","score":7.1,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:02:53.710973Z"}]}}