{"id":"CVE-2007-4291","aliases":["EUVD-2007-4274","GHSA-359p-85h2-2793"],"status":"published","title":"Cisco IOS 12.0 through 12.4 allows remote attackers to cause a denial of service via (1) a...","description":"Cisco IOS 12.0 through 12.4 allows remote attackers to cause a denial of service via (1) a malformed MGCP packet, which causes a device hang, aka CSCsf08998; a malformed H.323 packet, which causes a device crash, as identified by (2) CSCsi60004 with Proxy Unregistration and (3) CSCsg70474; and a malformed Real-time Transport Protocol (RTP) packet, which causes a device crash, as identified by (4) CSCse68138, related to VOIP RTP Lib, and (5) CSCse05642, related to I/O memory corruption.","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":"2026-11-08","score":0.03158,"percentile":0.88057,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2007-08-09T21:00:00Z","modified":"2026-06-16T22:43:45Z","products":[{"vendor":"cisco","product":"ios"}],"references":[{"url":"http://osvdb.org/36678","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2007/2816","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://osvdb.org/36680","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/35905","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5570","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"http://securitytracker.com/id?1018533","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.securityfocus.com/bid/25239","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://secunia.com/advisories/26363","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://osvdb.org/36681","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://osvdb.org/36677","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://osvdb.org/36679","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://www.cisco.com/en/US/products/products_security_advisory09186a0080899653.shtml","tags":["vendor-advisory","x_refsource_CISCO","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/35903","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/35904","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-4291"},{"url":"https://github.com/advisories/GHSA-359p-85h2-2793"}],"sources":{"cve":[{"id":"CVE-2007-4291","description":"Cisco IOS 12.0 through 12.4 allows remote attackers to cause a denial of service via (1) a malformed MGCP packet, which causes a device hang, aka CSCsf08998; a malformed H.323 packet, which causes a device crash, as identified by (2) CSCsi60004 with Proxy Unregistration and (3) CSCsg70474; and a malformed Real-time Transport Protocol (RTP) packet, which causes a device crash, as identified by (4) CSCse68138, related to VOIP RTP Lib, and (5) CSCse05642, related to I/O memory corruption.","status":"published","published":"2007-08-09T21:00:00Z","modified":"2024-08-07T14:53:55.177Z","updated_at":"2026-11-02T13:33:30.262137Z"}],"euvd":[{"id":"EUVD-2007-4274","description":"Cisco IOS 12.0 through 12.4 allows remote attackers to cause a denial of service via (1) a malformed MGCP packet, which causes a device hang, aka CSCsf08998; a malformed H.323 packet, which causes a device crash, as identified by (2) CSCsi60004 with Proxy Unregistration and (3) CSCsg70474; and a malformed Real-time Transport Protocol (RTP) packet, which causes a device crash, as identified by (4) CSCse68138, related to VOIP RTP Lib, and (5) CSCse05642, related to I/O memory corruption.","status":"published","published":"2007-08-09T21:00:00Z","modified":"2024-08-07T14:53:55Z","updated_at":"2026-11-03T01:16:22.435667Z"}],"ghsa":[{"id":"GHSA-359p-85h2-2793","title":"Cisco IOS 12.0 through 12.4 allows remote attackers to cause a denial of service via (1) a...","description":"Cisco IOS 12.0 through 12.4 allows remote attackers to cause a denial of service via (1) a malformed MGCP packet, which causes a device hang, aka CSCsf08998; a malformed H.323 packet, which causes a device crash, as identified by (2) CSCsi60004 with Proxy Unregistration and (3) CSCsg70474; and a malformed Real-time Transport Protocol (RTP) packet, which causes a device crash, as identified by (4) CSCse68138, related to VOIP RTP Lib, and (5) CSCse05642, related to I/O memory corruption.","status":"published","published":"2022-05-01T18:22:19Z","modified":"2023-01-31T05:04:37Z","updated_at":"2026-11-02T14:48:41.999229Z"}],"nvd":[{"id":"CVE-2007-4291","description":"Cisco IOS 12.0 through 12.4 allows remote attackers to cause a denial of service via (1) a malformed MGCP packet, which causes a device hang, aka CSCsf08998; a malformed H.323 packet, which causes a device crash, as identified by (2) CSCsi60004 with Proxy Unregistration and (3) CSCsg70474; and a malformed Real-time Transport Protocol (RTP) packet, which causes a device crash, as identified by (4) CSCse68138, related to VOIP RTP Lib, and (5) CSCse05642, related to I/O memory corruption.","status":"published","published":"2007-08-09T21:17:00Z","modified":"2026-06-16T22:43:45.37Z","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":"2026-11-02T14:01:19.102336Z"}]}}