{"id":"CVE-2002-0321","aliases":["EUVD-2002-0318","GHSA-j7rx-r49h-mc24"],"status":"published","title":"Yahoo! Messenger 5.0 allows remote attackers to spoof other users by modifying the username and...","description":"Yahoo! Messenger 5.0 allows remote attackers to spoof other users by modifying the username and using the spoofed username for social engineering or denial of service (flooding) attacks.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.03281,"percentile":0.88516,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2002-05-03T04:00:00Z","modified":"2026-06-16T21:57:12Z","products":[{"vendor":"yahoo","product":"messenger"}],"references":[{"url":"http://www.iss.net/security_center/static/8267.php","tags":["vdb-entry","x_refsource_XF","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.cert.org/advisories/CA-2002-16.html","tags":["third-party-advisory","x_refsource_CERT","x_transferred","US Government Resource"]},{"url":"http://marc.info/?l=bugtraq\u0026m=101439616623230\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.kb.cert.org/vuls/id/952875","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","US Government Resource"]},{"url":"http://www.securityfocus.com/bid/4164","tags":["vdb-entry","x_refsource_BID","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2002-0321"},{"url":"https://github.com/advisories/GHSA-j7rx-r49h-mc24"}],"sources":{"cve":[{"id":"CVE-2002-0321","description":"Yahoo! Messenger 5.0 allows remote attackers to spoof other users by modifying the username and using the spoofed username for social engineering or denial of service (flooding) attacks.","status":"published","published":"2002-05-03T04:00:00Z","modified":"2024-08-08T02:42:29.169Z","updated_at":"2026-11-02T14:33:55.642267Z"}],"euvd":[{"id":"EUVD-2002-0318","description":"Yahoo! Messenger 5.0 allows remote attackers to spoof other users by modifying the username and using the spoofed username for social engineering or denial of service (flooding) attacks.","status":"published","published":"2002-05-03T04:00:00Z","modified":"2024-08-08T02:42:29Z","updated_at":"2026-11-03T01:15:01.057971Z"}],"ghsa":[{"id":"GHSA-j7rx-r49h-mc24","title":"Yahoo! Messenger 5.0 allows remote attackers to spoof other users by modifying the username and...","description":"Yahoo! Messenger 5.0 allows remote attackers to spoof other users by modifying the username and using the spoofed username for social engineering or denial of service (flooding) attacks.","status":"published","published":"2022-04-30T18:19:00Z","modified":"2023-01-30T05:06:00Z","updated_at":"2026-11-02T14:47:23.939517Z"}],"nvd":[{"id":"CVE-2002-0321","description":"Yahoo! Messenger 5.0 allows remote attackers to spoof other users by modifying the username and using the spoofed username for social engineering or denial of service (flooding) attacks.","status":"published","published":"2002-06-25T04:00:00Z","modified":"2026-06-16T21:57:12.763Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:00:42.220505Z"}]}}