{"id":"CVE-2025-34433","aliases":["EUVD-2025-204542","GHSA-hv75-87h9-4p5h"],"status":"published","title":"AVideo \u003c 20.1 Unauthenticated RCE via Predictable Installation Salt","description":"AVideo versions 14.3.1 prior to 20.1 contain an unauthenticated remote code execution vulnerability caused by predictable generation of an installation salt using PHP uniqid(). The installation timestamp is exposed via a public endpoint, and a derived hash identifier is accessible through unauthenticated API responses, allowing attackers to brute-force the remaining entropy. The recovered salt can then be used to encrypt a malicious payload supplied to a notification API endpoint that evaluates attacker-controlled input, resulting in arbitrary code execution as the web server user.","severity":{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0148,"percentile":0.74248,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-94"],"published":"2025-12-19T15:37:39Z","modified":"2026-10-28T02:30:30Z","exploits":[{"source":"metasploit","id":"exploit/multi/http/avideo_notify_ffmpeg_unauth_rce","title":"AVideo notify.ffmpeg.json.php Unauthenticated RCE via Salt Discovery","type":"exploit","platform":"Linux,PHP,Unix,Windows","date":"2025-12-19","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/multi/http/avideo_notify_ffmpeg_unauth_rce"}],"products":[{"vendor":"world wide broadcast network","product":"avideo"},{"vendor":"wwbn","product":"avideo"}],"references":[{"url":"https://github.com/WWBN/AVideo/commit/4a53ab2","tags":["patch","fix"]},{"url":"https://github.com/WWBN/AVideo/commit/a2bdbff","tags":["patch","fix"]},{"url":"https://www.vulncheck.com/advisories/avideo-unauthenticated-rce-via-predictable-installation-salt","tags":["third-party-advisory","advisory"]},{"url":"https://chocapikk.com/posts/2025/avideo-security-vulnerabilities/","tags":["technical-description","exploit","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-34433","tags":["advisory"]},{"url":"https://chocapikk.com/posts/2025/avideo-security-vulnerabilities"},{"url":"https://github.com/advisories/GHSA-hv75-87h9-4p5h"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/34xxx/CVE-2025-34433.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2025-34433","title":"AVideo \u003c 20.1 Unauthenticated RCE via Predictable Installation Salt","description":"AVideo versions 14.3.1 prior to 20.1 contain an unauthenticated remote code execution vulnerability caused by predictable generation of an installation salt using PHP uniqid(). The installation timestamp is exposed via a public endpoint, and a derived hash identifier is accessible through unauthenticated API responses, allowing attackers to brute-force the remaining entropy. The recovered salt can then be used to encrypt a malicious payload supplied to a notification API endpoint that evaluates attacker-controlled input, resulting in arbitrary code execution as the web server user.","status":"published","published":"2025-12-19T15:37:39.775Z","modified":"2026-06-23T16:13:27.861Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:32:54.1527Z"}],"euvd":[{"id":"EUVD-2025-204542","description":"AVideo versions 14.3.1 prior to 20.1 contain an unauthenticated remote code execution vulnerability caused by predictable generation of an installation salt using PHP uniqid(). The installation timestamp is exposed via a public endpoint, and a derived hash identifier is accessible through unauthenticated API responses, allowing attackers to brute-force the remaining entropy. The recovered salt can then be used to encrypt a malicious payload supplied to a notification API endpoint that evaluates attacker-controlled input, resulting in arbitrary code execution as the web server user.","status":"published","published":"2025-12-19T15:37:39Z","modified":"2026-06-23T16:13:27Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"updated_at":"2026-11-02T18:20:32.768333Z"}],"ghsa":[{"id":"GHSA-hv75-87h9-4p5h","title":"AVideo versions 14.3.1 prior to 20.1 contain an unauthenticated remote code execution...","description":"AVideo versions 14.3.1 prior to 20.1 contain an unauthenticated remote code execution vulnerability caused by predictable generation of an installation salt using PHP uniqid(). The installation timestamp is exposed via a public endpoint, and a derived hash identifier is accessible through unauthenticated API responses, allowing attackers to brute-force the remaining entropy. The recovered salt can then be used to encrypt a malicious payload supplied to a notification API endpoint that evaluates attacker-controlled input, resulting in arbitrary code execution as the web server user.","status":"published","published":"2025-12-19T18:31:17Z","modified":"2025-12-19T21:31:26Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T15:05:18.702066Z"}],"nvd":[{"id":"CVE-2025-34433","description":"AVideo versions 14.3.1 prior to 20.1 contain an unauthenticated remote code execution vulnerability caused by predictable generation of an installation salt using PHP uniqid(). The installation timestamp is exposed via a public endpoint, and a derived hash identifier is accessible through unauthenticated API responses, allowing attackers to brute-force the remaining entropy. The recovered salt can then be used to encrypt a malicious payload supplied to a notification API endpoint that evaluates attacker-controlled input, resulting in arbitrary code execution as the web server user.","status":"published","published":"2025-12-19T16:15:55.393Z","modified":"2026-06-17T09:13:58.837Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical","assessor":"secondary"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:11:52.309391Z"}],"osv":[{"id":"CVE-2025-34433","title":"AVideo \u003c 20.1 Unauthenticated RCE via Predictable Installation Salt","description":"AVideo versions 14.3.1 prior to 20.1 contain an unauthenticated remote code execution vulnerability caused by predictable generation of an installation salt using PHP uniqid(). The installation timestamp is exposed via a public endpoint, and a derived hash identifier is accessible through unauthenticated API responses, allowing attackers to brute-force the remaining entropy. The recovered salt can then be used to encrypt a malicious payload supplied to a notification API endpoint that evaluates attacker-controlled input, resulting in arbitrary code execution as the web server user.","status":"published","published":"2025-12-19T15:37:39.775Z","modified":"2026-10-28T02:30:30.692167317Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T15:44:48.02508Z"}]}}