{"id":"CVE-2007-0918","aliases":["EUVD-2007-0912","GHSA-q9c9-whcq-8v29"],"status":"published","title":"The ATOMIC.TCP signature engine in the Intrusion Prevention System (IPS) feature for Cisco IOS 12...","description":"The ATOMIC.TCP signature engine in the Intrusion Prevention System (IPS) feature for Cisco IOS 12.4XA, 12.3YA, 12.3T, and other trains allows remote attackers to cause a denial of service (IPS crash and traffic loss) via unspecified manipulations that are not properly handled by the regular expression feature, as demonstrated using the 3123.0 (Netbus Pro Traffic) signature.","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":"2026-11-09","score":0.03207,"percentile":0.88251,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2007-02-14T02:00:00Z","modified":"2026-06-16T22:36:33Z","products":[{"vendor":"cisco","product":"ios"}],"references":[{"url":"http://osvdb.org/33053","tags":["vdb-entry","x_refsource_OSVDB","x_transferred","Broken Link"]},{"url":"http://www.securitytracker.com/id?1017631","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Broken Link","Third Party Advisory","VDB Entry"]},{"url":"http://www.cisco.com/en/US/products/products_security_advisory09186a00807e0a5b.shtml","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/32474","tags":["vdb-entry","x_refsource_XF","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.securityfocus.com/bid/22549","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.cisco.com/en/US/products/products_security_response09186a00807e0a5e.html","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5832","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred","Broken Link"]},{"url":"http://secunia.com/advisories/24142","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Third Party Advisory"]},{"url":"http://www.vupen.com/english/advisories/2007/0597","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Permissions Required","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-0918"},{"url":"https://github.com/advisories/GHSA-q9c9-whcq-8v29"}],"sources":{"cve":[{"id":"CVE-2007-0918","description":"The ATOMIC.TCP signature engine in the Intrusion Prevention System (IPS) feature for Cisco IOS 12.4XA, 12.3YA, 12.3T, and other trains allows remote attackers to cause a denial of service (IPS crash and traffic loss) via unspecified manipulations that are not properly handled by the regular expression feature, as demonstrated using the 3123.0 (Netbus Pro Traffic) signature.","status":"published","published":"2007-02-14T02:00:00Z","modified":"2024-08-07T12:34:21.288Z","updated_at":"2026-11-02T13:34:03.879328Z"}],"euvd":[{"id":"EUVD-2007-0912","description":"The ATOMIC.TCP signature engine in the Intrusion Prevention System (IPS) feature for Cisco IOS 12.4XA, 12.3YA, 12.3T, and other trains allows remote attackers to cause a denial of service (IPS crash and traffic loss) via unspecified manipulations that are not properly handled by the regular expression feature, as demonstrated using the 3123.0 (Netbus Pro Traffic) signature.","status":"published","published":"2007-02-14T02:00:00Z","modified":"2024-08-07T12:34:21Z","updated_at":"2026-11-03T01:38:28.235221Z"}],"ghsa":[{"id":"GHSA-q9c9-whcq-8v29","title":"The ATOMIC.TCP signature engine in the Intrusion Prevention System (IPS) feature for Cisco IOS 12...","description":"The ATOMIC.TCP signature engine in the Intrusion Prevention System (IPS) feature for Cisco IOS 12.4XA, 12.3YA, 12.3T, and other trains allows remote attackers to cause a denial of service (IPS crash and traffic loss) via unspecified manipulations that are not properly handled by the regular expression feature, as demonstrated using the 3123.0 (Netbus Pro Traffic) signature.","status":"published","published":"2022-05-01T17:47:57Z","modified":"2023-01-31T05:03:07Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:48:24.116172Z"}],"nvd":[{"id":"CVE-2007-0918","description":"The ATOMIC.TCP signature engine in the Intrusion Prevention System (IPS) feature for Cisco IOS 12.4XA, 12.3YA, 12.3T, and other trains allows remote attackers to cause a denial of service (IPS crash and traffic loss) via unspecified manipulations that are not properly handled by the regular expression feature, as demonstrated using the 3123.0 (Netbus Pro Traffic) signature.","status":"published","published":"2007-02-14T02:28:00Z","modified":"2026-06-16T22:36:33.813Z","cvss":[{"version":"2.0","score":7.1,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:01:13.10493Z"}]}}