{"id":"CVE-2007-2461","aliases":["EUVD-2007-2454","GHSA-vwjv-mqrc-fc89"],"status":"published","title":"The DHCP relay agent in Cisco Adaptive Security Appliance (ASA) and PIX 7.2 allows remote...","description":"The DHCP relay agent in Cisco Adaptive Security Appliance (ASA) and PIX 7.2 allows remote attackers to cause a denial of service (dropped packets) via a DHCPREQUEST or DHCPINFORM message that causes multiple DHCPACK messages to be sent from DHCP servers to the agent, which consumes the memory allocated for a local buffer.  NOTE: this issue only occurs when multiple DHCP servers are used.","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":0.04372,"percentile":0.91331,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2007-05-02T22:00:00Z","modified":"2026-06-16T22:39:39Z","products":[{"vendor":"cisco","product":"adaptive_security_appliance_software"},{"vendor":"cisco","product":"pix"}],"references":[{"url":"http://www.cisco.com/en/US/products/products_security_response09186a0080833172.html","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Patch"]},{"url":"http://www.securityfocus.com/bid/23763","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.securitytracker.com/id?1017999","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.kb.cert.org/vuls/id/530057","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","Patch","US Government Resource"]},{"url":"http://www.vupen.com/english/advisories/2007/1635","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://www.securitytracker.com/id?1018000","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/34026","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.osvdb.org/35330","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://secunia.com/advisories/25109","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-2461"},{"url":"https://github.com/advisories/GHSA-vwjv-mqrc-fc89"}],"sources":{"cve":[{"id":"CVE-2007-2461","description":"The DHCP relay agent in Cisco Adaptive Security Appliance (ASA) and PIX 7.2 allows remote attackers to cause a denial of service (dropped packets) via a DHCPREQUEST or DHCPINFORM message that causes multiple DHCPACK messages to be sent from DHCP servers to the agent, which consumes the memory allocated for a local buffer.  NOTE: this issue only occurs when multiple DHCP servers are used.","status":"published","published":"2007-05-02T22:00:00Z","modified":"2024-08-07T13:42:32.298Z","updated_at":"2026-11-02T13:32:34.372976Z"}],"euvd":[{"id":"EUVD-2007-2454","description":"The DHCP relay agent in Cisco Adaptive Security Appliance (ASA) and PIX 7.2 allows remote attackers to cause a denial of service (dropped packets) via a DHCPREQUEST or DHCPINFORM message that causes multiple DHCPACK messages to be sent from DHCP servers to the agent, which consumes the memory allocated for a local buffer.  NOTE: this issue only occurs when multiple DHCP servers are used.","status":"published","published":"2007-05-02T22:00:00Z","modified":"2024-08-07T13:42:32Z","updated_at":"2026-11-03T01:38:20.980728Z"}],"ghsa":[{"id":"GHSA-vwjv-mqrc-fc89","title":"The DHCP relay agent in Cisco Adaptive Security Appliance (ASA) and PIX 7.2 allows remote...","description":"The DHCP relay agent in Cisco Adaptive Security Appliance (ASA) and PIX 7.2 allows remote attackers to cause a denial of service (dropped packets) via a DHCPREQUEST or DHCPINFORM message that causes multiple DHCPACK messages to be sent from DHCP servers to the agent, which consumes the memory allocated for a local buffer.  NOTE: this issue only occurs when multiple DHCP servers are used.","status":"published","published":"2022-05-01T18:03:55Z","modified":"2023-01-31T05:04:12Z","updated_at":"2026-11-02T14:48:37.736488Z"}],"nvd":[{"id":"CVE-2007-2461","description":"The DHCP relay agent in Cisco Adaptive Security Appliance (ASA) and PIX 7.2 allows remote attackers to cause a denial of service (dropped packets) via a DHCPREQUEST or DHCPINFORM message that causes multiple DHCPACK messages to be sent from DHCP servers to the agent, which consumes the memory allocated for a local buffer.  NOTE: this issue only occurs when multiple DHCP servers are used.","status":"published","published":"2007-05-02T22:19:00Z","modified":"2026-06-16T22:39:39.263Z","cvss":[{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:01:15.696607Z"}]}}