{"id":"CVE-2009-4491","aliases":["EUVD-2009-4458","GHSA-hpcm-8c4f-v6x2"],"status":"published","title":"thttpd 2.25b0 writes data to a log file without sanitizing non-printable characters, which might...","description":"thttpd 2.25b0 writes data to a log file without sanitizing non-printable characters, which might allow remote attackers to modify a window's title, or possibly execute arbitrary commands or overwrite files, via an HTTP request containing an escape sequence for a terminal emulator.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.13718,"percentile":0.96528,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-20","CWE-94"],"published":"2010-01-13T00:00:00Z","modified":"2026-06-16T23:13:46Z","exploits":[{"source":"exploitdb","id":"EDB-33499","title":"thttpd 2.24 - HTTP Request Escape Sequence Terminal Command Injection","type":"remote","platform":"multiple","date":"2010-01-11","verified":true,"url":"https://www.exploit-db.com/exploits/33499"}],"products":[{"vendor":"acme","product":"thttpd"},{"vendor":"thttpd","product":"thttpd_http_server"}],"references":[{"url":"http://www.ush.it/team/ush/hack_httpd_escape/adv.txt","tags":["x_transferred","Exploit"]},{"url":"http://www.securityfocus.com/archive/1/508830/100/0/threaded","tags":["mailing-list","x_transferred"]},{"url":"http://seclists.org/fulldisclosure/2023/Nov/13","tags":["mailing-list","x_transferred"]},{"url":"http://packetstormsecurity.com/files/175949/m-privacy-TightGate-Pro-Code-Execution-Insecure-Permissions.html","tags":["x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-4491"},{"url":"https://github.com/advisories/GHSA-hpcm-8c4f-v6x2"}],"sources":{"cve":[{"id":"CVE-2009-4491","description":"thttpd 2.25b0 writes data to a log file without sanitizing non-printable characters, which might allow remote attackers to modify a window's title, or possibly execute arbitrary commands or overwrite files, via an HTTP request containing an escape sequence for a terminal emulator.","status":"published","published":"2010-01-13T00:00:00Z","modified":"2024-08-07T07:01:20.48Z","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":"adp"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:33:24.451733Z"}],"euvd":[{"id":"EUVD-2009-4458","description":"thttpd 2.25b0 writes data to a log file without sanitizing non-printable characters, which might allow remote attackers to modify a window's title, or possibly execute arbitrary commands or overwrite files, via an HTTP request containing an escape sequence for a terminal emulator.","status":"published","published":"2010-01-13T00:00:00Z","modified":"2024-08-07T07:01:20Z","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"}],"updated_at":"2026-11-03T01:39:10.134983Z"}],"ghsa":[{"id":"GHSA-hpcm-8c4f-v6x2","title":"thttpd 2.25b0 writes data to a log file without sanitizing non-printable characters, which might...","description":"thttpd 2.25b0 writes data to a log file without sanitizing non-printable characters, which might allow remote attackers to modify a window's title, or possibly execute arbitrary commands or overwrite files, via an HTTP request containing an escape sequence for a terminal emulator.","status":"published","published":"2022-05-02T03:55:15Z","modified":"2024-07-12T18:31:45Z","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-20","CWE-94"],"updated_at":"2026-11-02T14:57:41.46165Z"}],"nvd":[{"id":"CVE-2009-4491","description":"thttpd 2.25b0 writes data to a log file without sanitizing non-printable characters, which might allow remote attackers to modify a window's title, or possibly execute arbitrary commands or overwrite files, via an HTTP request containing an escape sequence for a terminal emulator.","status":"published","published":"2010-01-13T20:30:00.5Z","modified":"2026-06-16T23:13:46.053Z","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":"secondary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-20","CWE-94"],"updated_at":"2026-11-02T14:01:38.33745Z"}]}}