{"id":"CVE-2021-45467","aliases":["EUVD-2021-32233","GHSA-4xcw-rcp3-wq4p"],"status":"published","title":"In CWP (aka Control Web Panel or CentOS Web Panel) before 0.9.8.1107, an unauthenticated attacker...","description":"In CWP (aka Control Web Panel or CentOS Web Panel) before 0.9.8.1107, an unauthenticated attacker can use %00 bytes to cause /user/loader.php to register an arbitrary API key, as demonstrated by a /user/loader.php?api=1\u0026scripts= .%00./.%00./api/account_new_create\u0026acc=guadaapi URI. Any number of %00 instances can be used, e.g., .%00%00%00./.%00%00%00./api/account_new_create could also be used for the scripts parameter.","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":"2026-11-10","score":0.70745,"percentile":0.99402,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2022-12-26T00:00:00Z","modified":"2026-06-17T04:13:25Z","exploits":[{"source":"nuclei","id":"CVE-2021-45467","title":"Control Web Panel (CWP) - File Inclusion","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-45467.yaml"}],"products":[{"vendor":"control-webpanel","product":"webpanel"}],"references":[{"url":"https://control-webpanel.com/changelog","tags":["x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://octagon.net/blog/2022/01/22/cve-2021-45467-cwp-centos-web-panel-preauth-rce/","tags":["x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-45467"},{"url":"https://octagon.net/blog/2022/01/22/cve-2021-45467-cwp-centos-web-panel-preauth-rce"},{"url":"https://github.com/advisories/GHSA-4xcw-rcp3-wq4p"}],"sources":{"cve":[{"id":"CVE-2021-45467","description":"In CWP (aka Control Web Panel or CentOS Web Panel) before 0.9.8.1107, an unauthenticated attacker can use %00 bytes to cause /user/loader.php to register an arbitrary API key, as demonstrated by a /user/loader.php?api=1\u0026scripts= .%00./.%00./api/account_new_create\u0026acc=guadaapi URI. Any number of %00 instances can be used, e.g., .%00%00%00./.%00%00%00./api/account_new_create could also be used for the scripts parameter.","status":"published","published":"2022-12-26T00:00:00Z","modified":"2025-04-12T00:06:13.609Z","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-862"],"updated_at":"2026-11-02T14:33:02.930115Z"}],"euvd":[{"id":"EUVD-2021-32233","description":"In CWP (aka Control Web Panel or CentOS Web Panel) before 0.9.8.1107, an unauthenticated attacker can use %00 bytes to cause /user/loader.php to register an arbitrary API key, as demonstrated by a /user/loader.php?api=1\u0026scripts= .%00./.%00./api/account_new_create\u0026acc=guadaapi URI. Any number of %00 instances can be used, e.g., .%00%00%00./.%00%00%00./api/account_new_create could also be used for the scripts parameter.","status":"published","published":"2022-12-26T00:00:00Z","modified":"2025-04-12T00:06:13Z","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":"2026-11-02T20:52:33.975888Z"}],"ghsa":[{"id":"GHSA-4xcw-rcp3-wq4p","title":"In CWP (aka Control Web Panel or CentOS Web Panel) before 0.9.8.1107, an unauthenticated attacker...","description":"In CWP (aka Control Web Panel or CentOS Web Panel) before 0.9.8.1107, an unauthenticated attacker can use %00 bytes to cause /user/loader.php to register an arbitrary API key, as demonstrated by a /user/loader.php?api=1\u0026scripts= .%00./.%00./api/account_new_create\u0026acc=guadaapi URI. Any number of %00 instances can be used, e.g., .%00%00%00./.%00%00%00./api/account_new_create could also be used for the scripts parameter.","status":"published","published":"2022-12-26T06:30:22Z","modified":"2025-04-12T03:30:30Z","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-862"],"updated_at":"2026-11-02T15:01:16.95233Z"}],"nvd":[{"id":"CVE-2021-45467","description":"In CWP (aka Control Web Panel or CentOS Web Panel) before 0.9.8.1107, an unauthenticated attacker can use %00 bytes to cause /user/loader.php to register an arbitrary API key, as demonstrated by a /user/loader.php?api=1\u0026scripts= .%00./.%00./api/account_new_create\u0026acc=guadaapi URI. Any number of %00 instances can be used, e.g., .%00%00%00./.%00%00%00./api/account_new_create could also be used for the scripts parameter.","status":"published","published":"2022-12-26T05:15:10.867Z","modified":"2026-06-17T04:13:25.467Z","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":"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"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:07:07.323379Z"}]}}