{"id":"CVE-2009-2868","aliases":["EUVD-2009-2858","GHSA-35r5-pw6j-5f37"],"status":"published","title":"Unspecified vulnerability in Cisco IOS 12.2 through 12.4, when certificate-based authentication...","description":"Unspecified vulnerability in Cisco IOS 12.2 through 12.4, when certificate-based authentication is enabled for IKE, allows remote attackers to cause a denial of service (Phase 1 SA exhaustion) via crafted requests, aka Bug IDs CSCsy07555 and CSCee72997.","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":"2026-11-09","score":0.01725,"percentile":0.77701,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2009-09-28T18:20:00Z","modified":"2026-06-16T23:10:23Z","products":[{"vendor":"cisco","product":"ios"}],"references":[{"url":"http://www.vupen.com/english/advisories/2009/2759","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://tools.cisco.com/security/center/viewAlert.x?alertId=18887","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://www.cisco.com/en/US/products/products_security_advisory09186a0080af8117.shtml","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-2868"},{"url":"https://github.com/advisories/GHSA-35r5-pw6j-5f37"}],"sources":{"cve":[{"id":"CVE-2009-2868","description":"Unspecified vulnerability in Cisco IOS 12.2 through 12.4, when certificate-based authentication is enabled for IKE, allows remote attackers to cause a denial of service (Phase 1 SA exhaustion) via crafted requests, aka Bug IDs CSCsy07555 and CSCee72997.","status":"published","published":"2009-09-28T18:20:00Z","modified":"2024-08-07T06:07:37.185Z","updated_at":"2026-11-02T14:33:23.041383Z"}],"euvd":[{"id":"EUVD-2009-2858","description":"Unspecified vulnerability in Cisco IOS 12.2 through 12.4, when certificate-based authentication is enabled for IKE, allows remote attackers to cause a denial of service (Phase 1 SA exhaustion) via crafted requests, aka Bug IDs CSCsy07555 and CSCee72997.","status":"published","published":"2009-09-28T18:20:00Z","modified":"2024-08-07T06:07:37Z","updated_at":"2026-11-03T01:39:15.952935Z"}],"ghsa":[{"id":"GHSA-35r5-pw6j-5f37","title":"Unspecified vulnerability in Cisco IOS 12.2 through 12.4, when certificate-based authentication...","description":"Unspecified vulnerability in Cisco IOS 12.2 through 12.4, when certificate-based authentication is enabled for IKE, allows remote attackers to cause a denial of service (Phase 1 SA exhaustion) via crafted requests, aka Bug IDs CSCsy07555 and CSCee72997.","status":"published","published":"2022-05-02T03:39:26Z","modified":"2023-01-31T05:08:53Z","updated_at":"2026-11-02T14:49:28.053794Z"}],"nvd":[{"id":"CVE-2009-2868","description":"Unspecified vulnerability in Cisco IOS 12.2 through 12.4, when certificate-based authentication is enabled for IKE, allows remote attackers to cause a denial of service (Phase 1 SA exhaustion) via crafted requests, aka Bug IDs CSCsy07555 and CSCee72997.","status":"published","published":"2009-09-28T19:30:01.437Z","modified":"2026-06-16T23:10:23.627Z","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":"2026-11-02T14:01:37.004244Z"}]}}