{"id":"CVE-2001-1496","aliases":["EUVD-2001-1473","GHSA-mx9g-mg46-cf6g"],"status":"published","title":"Off-by-one buffer overflow in Basic Authentication in Acme Labs thttpd 1.95 through 2.20 allows...","description":"Off-by-one buffer overflow in Basic Authentication in Acme Labs thttpd 1.95 through 2.20 allows remote attackers to cause a denial of service and possibly execute arbitrary code.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.05134,"percentile":0.92454,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-193"],"published":"2001-12-31T05:00:00Z","modified":"2026-06-16T21:56:22Z","products":[{"vendor":"acme","product":"thttpd"}],"references":[{"url":"http://www.securityfocus.com/archive/1/241310","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Broken Link","Third Party Advisory","VDB Entry"]},{"url":"http://www.securityfocus.com/archive/1/241953","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Broken Link","Third Party Advisory","VDB Entry"]},{"url":"http://www.securityfocus.com/bid/3562","tags":["vdb-entry","x_refsource_BID","x_transferred","Broken Link","Third Party Advisory","VDB Entry"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/7595","tags":["vdb-entry","x_refsource_XF","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2001-1496"},{"url":"https://github.com/advisories/GHSA-mx9g-mg46-cf6g"}],"sources":{"cve":[{"id":"CVE-2001-1496","description":"Off-by-one buffer overflow in Basic Authentication in Acme Labs thttpd 1.95 through 2.20 allows remote attackers to cause a denial of service and possibly execute arbitrary code.","status":"published","published":"2005-06-21T04:00:00Z","modified":"2024-08-08T04:58:11.389Z","updated_at":"2026-11-02T14:34:42.354707Z"}],"euvd":[{"id":"EUVD-2001-1473","description":"Off-by-one buffer overflow in Basic Authentication in Acme Labs thttpd 1.95 through 2.20 allows remote attackers to cause a denial of service and possibly execute arbitrary code.","status":"published","published":"2005-06-21T04:00:00Z","modified":"2024-08-08T04:58:11Z","updated_at":"2026-11-03T00:56:27.245824Z"}],"ghsa":[{"id":"GHSA-mx9g-mg46-cf6g","title":"Off-by-one buffer overflow in Basic Authentication in Acme Labs thttpd 1.95 through 2.20 allows...","description":"Off-by-one buffer overflow in Basic Authentication in Acme Labs thttpd 1.95 through 2.20 allows remote attackers to cause a denial of service and possibly execute arbitrary code.","status":"published","published":"2022-04-30T18:18:09Z","modified":"2026-03-26T05:02:31Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-193"],"updated_at":"2026-11-02T15:06:52.37988Z"}],"nvd":[{"id":"CVE-2001-1496","description":"Off-by-one buffer overflow in Basic Authentication in Acme Labs thttpd 1.95 through 2.20 allows remote attackers to cause a denial of service and possibly execute arbitrary code.","status":"published","published":"2001-12-31T05:00:00Z","modified":"2026-06-16T21:56:22.873Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-193"],"updated_at":"2026-11-02T14:00:41.313877Z"}]}}