{"id":"CVE-2002-0852","aliases":["EUVD-2002-0844","GHSA-6x9q-xfp2-gxg6"],"status":"published","title":"Buffer overflows in Cisco Virtual Private Network (VPN) Client 3.5.4 and earlier allows remote...","description":"Buffer overflows in Cisco Virtual Private Network (VPN) Client 3.5.4 and earlier allows remote attackers to cause a denial of service via (1) an Internet Key Exchange (IKE) with a large Security Parameter Index (SPI) payload, or (2) an IKE packet with a large number of valid payloads.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01299,"percentile":0.70603,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2002-08-14T04:00:00Z","modified":"2026-06-16T21:58:15Z","products":[{"vendor":"cisco","product":"vpn_client"}],"references":[{"url":"http://www.cisco.com/warp/public/707/vpnclient-multiple-vuln-pub.shtml","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2002-0852"},{"url":"https://github.com/advisories/GHSA-6x9q-xfp2-gxg6"}],"sources":{"cve":[{"id":"CVE-2002-0852","description":"Buffer overflows in Cisco Virtual Private Network (VPN) Client 3.5.4 and earlier allows remote attackers to cause a denial of service via (1) an Internet Key Exchange (IKE) with a large Security Parameter Index (SPI) payload, or (2) an IKE packet with a large number of valid payloads.","status":"published","published":"2002-08-14T04:00:00Z","modified":"2024-08-08T03:03:49.351Z","updated_at":"2026-11-02T14:33:55.642267Z"}],"euvd":[{"id":"EUVD-2002-0844","description":"Buffer overflows in Cisco Virtual Private Network (VPN) Client 3.5.4 and earlier allows remote attackers to cause a denial of service via (1) an Internet Key Exchange (IKE) with a large Security Parameter Index (SPI) payload, or (2) an IKE packet with a large number of valid payloads.","status":"published","published":"2002-08-14T04:00:00Z","modified":"2024-08-08T03:03:49Z","updated_at":"2026-11-03T01:14:58.693075Z"}],"ghsa":[{"id":"GHSA-6x9q-xfp2-gxg6","title":"Buffer overflows in Cisco Virtual Private Network (VPN) Client 3.5.4 and earlier allows remote...","description":"Buffer overflows in Cisco Virtual Private Network (VPN) Client 3.5.4 and earlier allows remote attackers to cause a denial of service via (1) an Internet Key Exchange (IKE) with a large Security Parameter Index (SPI) payload, or (2) an IKE packet with a large number of valid payloads.","status":"published","published":"2022-04-30T18:20:02Z","modified":"2023-01-30T05:06:12Z","updated_at":"2026-11-02T14:47:26.771464Z"}],"nvd":[{"id":"CVE-2002-0852","description":"Buffer overflows in Cisco Virtual Private Network (VPN) Client 3.5.4 and earlier allows remote attackers to cause a denial of service via (1) an Internet Key Exchange (IKE) with a large Security Parameter Index (SPI) payload, or (2) an IKE packet with a large number of valid payloads.","status":"published","published":"2002-09-05T04:00:00Z","modified":"2026-06-16T21:58:15.987Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:00:42.827505Z"}]}}