{"id":"CVE-2002-1561","aliases":["EUVD-2002-1543","GHSA-vff3-5vfq-9m5f"],"status":"published","title":"The RPC component in Windows 2000, Windows NT 4.0, and Windows XP allows remote attackers to...","description":"The RPC component in Windows 2000, Windows NT 4.0, and Windows XP allows remote attackers to cause a denial of service (disabled RPC service) via a malformed packet to the RPC Endpoint Mapper at TCP port 135, which triggers a null pointer dereference.","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":"2026-11-06","score":0.3773,"percentile":0.98549,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2003-03-26T05:00:00Z","modified":"2026-06-16T21:59:33Z","exploits":[{"source":"exploitdb","id":"EDB-21951","title":"Microsoft Windows XP/2000/NT 4.0 - RPC Service Denial of Service (1)","type":"dos","platform":"windows","date":"2002-10-22","verified":true,"url":"https://www.exploit-db.com/exploits/21951"},{"source":"exploitdb","id":"EDB-21952","title":"Microsoft Windows XP/2000/NT 4.0 - RPC Service Denial of Service (2)","type":"dos","platform":"windows","date":"2002-10-22","verified":true,"url":"https://www.exploit-db.com/exploits/21952"},{"source":"exploitdb","id":"EDB-21953","title":"Microsoft Windows XP/2000/NT 4.0 - RPC Service Denial of Service (3)","type":"dos","platform":"windows","date":"2002-10-18","verified":true,"url":"https://www.exploit-db.com/exploits/21953"},{"source":"exploitdb","id":"EDB-21954","title":"Microsoft Windows XP/2000/NT 4.0 - RPC Service Denial of Service (4)","type":"dos","platform":"windows","date":"2002-10-18","verified":true,"url":"https://www.exploit-db.com/exploits/21954"}],"products":[{"vendor":"microsoft","product":"windows_2000"},{"vendor":"microsoft","product":"windows_2000_terminal_services"},{"vendor":"microsoft","product":"windows_nt"},{"vendor":"microsoft","product":"windows_xp"}],"references":[{"url":"http://www.securityfocus.com/bid/6005","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit","Patch","Vendor Advisory"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A59","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-010","tags":["vendor-advisory","x_refsource_MS","x_transferred"]},{"url":"http://www.kb.cert.org/vuls/id/261537","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","US Government Resource"]},{"url":"http://www.securityfocus.com/archive/1/296114/2002-10-14/2002-10-20/0","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2002-1561"},{"url":"https://github.com/advisories/GHSA-vff3-5vfq-9m5f"}],"sources":{"cve":[{"id":"CVE-2002-1561","description":"The RPC component in Windows 2000, Windows NT 4.0, and Windows XP allows remote attackers to cause a denial of service (disabled RPC service) via a malformed packet to the RPC Endpoint Mapper at TCP port 135, which triggers a null pointer dereference.","status":"published","published":"2003-03-26T05:00:00Z","modified":"2024-08-08T03:26:29.095Z","updated_at":"2026-11-02T14:33:54.972584Z"}],"euvd":[{"id":"EUVD-2002-1543","description":"The RPC component in Windows 2000, Windows NT 4.0, and Windows XP allows remote attackers to cause a denial of service (disabled RPC service) via a malformed packet to the RPC Endpoint Mapper at TCP port 135, which triggers a null pointer dereference.","status":"published","published":"2003-03-26T05:00:00Z","modified":"2024-08-08T03:26:29Z","updated_at":"2026-11-03T01:14:55.73497Z"}],"ghsa":[{"id":"GHSA-vff3-5vfq-9m5f","title":"The RPC component in Windows 2000, Windows NT 4.0, and Windows XP allows remote attackers to...","description":"The RPC component in Windows 2000, Windows NT 4.0, and Windows XP allows remote attackers to cause a denial of service (disabled RPC service) via a malformed packet to the RPC Endpoint Mapper at TCP port 135, which triggers a null pointer dereference.","status":"published","published":"2022-04-30T18:21:24Z","modified":"2023-01-30T05:06:29Z","updated_at":"2026-11-02T14:47:30.041148Z"}],"nvd":[{"id":"CVE-2002-1561","description":"The RPC component in Windows 2000, Windows NT 4.0, and Windows XP allows remote attackers to cause a denial of service (disabled RPC service) via a malformed packet to the RPC Endpoint Mapper at TCP port 135, which triggers a null pointer dereference.","status":"published","published":"2003-04-02T05:00:00Z","modified":"2026-06-16T21:59:33.39Z","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":"2026-11-02T14:00:44.251133Z"}]}}