{"cve":{"cve_id":"CVE-2007-2461","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.04372,"epss_percentile":0.9001,"epss_as_of":"2026-06-23","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.","published_at":"2007-05-02T22:00:00Z","last_modified_at":"2026-06-16T22:39:39.263000Z","cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":null,"nvd_references":["http://www.cisco.com/en/US/products/products_security_response09186a0080833172.html","http://www.securityfocus.com/bid/23763","http://www.securitytracker.com/id?1017999","http://www.kb.cert.org/vuls/id/530057","http://www.vupen.com/english/advisories/2007/1635","http://www.securitytracker.com/id?1018000","https://exchange.xforce.ibmcloud.com/vulnerabilities/34026","http://www.osvdb.org/35330","http://secunia.com/advisories/25109"],"vuln_status":"Modified","trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:03:57.545448Z"},"effective_severity":null,"badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"adaptive-security-appliance-software","product_name":"adaptive_security_appliance_software","version_start":"7.2.2","version_start_inclusive":true,"version_end":"7.2.2","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2.2:*:*:*:*:*:*:*"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"pix","product_name":"pix","version_start":"7.2","version_start_inclusive":true,"version_end":"7.2","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:h:cisco:pix:7.2:*:*:*:*:*:*:*"}],"exploit_refs":[],"news":[],"references":[{"url":"http://www.cisco.com/en/US/products/products_security_response09186a0080833172.html","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://www.securityfocus.com/bid/23763","source_type":"MISC","tags":[]},{"url":"http://www.securitytracker.com/id?1017999","source_type":"MISC","tags":[]},{"url":"http://www.kb.cert.org/vuls/id/530057","source_type":"MISC","tags":[]},{"url":"http://www.vupen.com/english/advisories/2007/1635","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://www.securitytracker.com/id?1018000","source_type":"MISC","tags":[]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/34026","source_type":"MISC","tags":[]},{"url":"http://www.osvdb.org/35330","source_type":"MISC","tags":[]},{"url":"http://secunia.com/advisories/25109","source_type":"VENDOR_ADVISORY","tags":["advisory"]}],"timeline":[{"type":"published","at":"2007-05-02T22:00:00Z","label":"CVE published","source":null}]}