{"id":"CVE-1999-1417","aliases":["EUVD-1999-1398","GHSA-89rj-v9gf-rwhm"],"status":"published","title":"Format string vulnerability in AnswerBook2 (AB2) web server dwhttpd 3.1a4 allows remote attackers...","description":"Format string vulnerability in AnswerBook2 (AB2) web server dwhttpd 3.1a4 allows remote attackers to cause a denial of service and possibly execute arbitrary commands via encoded % characters in an HTTP request, which is improperly logged.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01875,"percentile":0.79671,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"1998-08-23T04:00:00Z","modified":"2026-06-16T21:50:23Z","products":[{"vendor":"inso","product":"answerbook2"}],"references":[{"url":"http://www.securityfocus.com/archive/1/10383","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/253","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-1999-1417"},{"url":"https://github.com/advisories/GHSA-89rj-v9gf-rwhm"}],"sources":{"cve":[{"id":"CVE-1999-1417","description":"Format string vulnerability in AnswerBook2 (AB2) web server dwhttpd 3.1a4 allows remote attackers to cause a denial of service and possibly execute arbitrary commands via encoded % characters in an HTTP request, which is improperly logged.","status":"published","published":"2001-09-12T04:00:00Z","modified":"2024-08-01T17:11:03.169Z","updated_at":"2026-11-02T14:33:53.295018Z"}],"euvd":[{"id":"EUVD-1999-1398","description":"Format string vulnerability in AnswerBook2 (AB2) web server dwhttpd 3.1a4 allows remote attackers to cause a denial of service and possibly execute arbitrary commands via encoded % characters in an HTTP request, which is improperly logged.","status":"published","published":"2001-09-12T04:00:00Z","modified":"2024-08-01T17:11:03Z","updated_at":"2026-11-03T03:50:42.896161Z"}],"ghsa":[{"id":"GHSA-89rj-v9gf-rwhm","title":"Format string vulnerability in AnswerBook2 (AB2) web server dwhttpd 3.1a4 allows remote attackers...","description":"Format string vulnerability in AnswerBook2 (AB2) web server dwhttpd 3.1a4 allows remote attackers to cause a denial of service and possibly execute arbitrary commands via encoded % characters in an HTTP request, which is improperly logged.","status":"published","published":"2022-04-30T18:12:25Z","modified":"2023-01-30T05:04:36Z","updated_at":"2026-11-02T14:47:05.039925Z"}],"nvd":[{"id":"CVE-1999-1417","description":"Format string vulnerability in AnswerBook2 (AB2) web server dwhttpd 3.1a4 allows remote attackers to cause a denial of service and possibly execute arbitrary commands via encoded % characters in an HTTP request, which is improperly logged.","status":"published","published":"1998-08-23T04:00:00Z","modified":"2026-06-16T21:50:23.803Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T13:58:30.236077Z"}]}}