{"id":"CVE-2025-13315","aliases":["EUVD-2025-198189","GHSA-x96r-v3vc-578h"],"status":"published","title":"Unauthenticated log access in Twonky Server","description":"Twonky Server 8.5.2 on Linux and Windows is vulnerable to an access control flaw. An unauthenticated attacker can bypass web service API authentication controls to leak a log file and read the administrator's username and encrypted password.","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":0.31178,"percentile":0.98294,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-420"],"published":"2025-11-19T17:41:36Z","modified":"2026-10-18T20:10:00Z","exploits":[{"source":"pocgithub","id":"ashrafzaryouh/CVE-2025-13315","title":"ashrafzaryouh/CVE-2025-13315","date":"2026-04-07","url":"https://github.com/ashrafzaryouh/CVE-2025-13315"},{"source":"nuclei","id":"CVE-2025-13315","title":"Twonky Server 8.5.2 on Linux and Windows - Log File Exposure","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-13315.yaml"},{"source":"metasploit","id":"auxiliary/gather/twonky_authbypass_logleak","title":"Twonky Server Log Leak Authentication Bypass","type":"auxiliary","verified":true,"url":"https://www.rapid7.com/db/modules/auxiliary/gather/twonky_authbypass_logleak"}],"products":[{"vendor":"lynxtechnology","product":"twonky server"},{"vendor":"lynxtechnology","product":"twonky_server"}],"references":[{"url":"https://www.rapid7.com/blog/post/cve-2025-13315-cve-2025-13316-critical-twonky-server-authentication-bypass-not-fixed/","tags":["Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-13315"},{"url":"https://www.rapid7.com/blog/post/cve-2025-13315-cve-2025-13316-critical-twonky-server-authentication-bypass-not-fixed"},{"url":"https://github.com/advisories/GHSA-x96r-v3vc-578h"}],"sources":{"cve":[{"id":"CVE-2025-13315","title":"Unauthenticated log access in Twonky Server","description":"Twonky Server 8.5.2 on Linux and Windows is vulnerable to an access control flaw. 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An unauthenticated attacker can bypass web service API authentication controls to leak a log file and read the administrator's username and encrypted password.","status":"published","published":"2025-11-19T17:41:36Z","modified":"2025-11-19T18:20:50Z","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":"2026-11-02T19:49:15.429944Z"}],"ghsa":[{"id":"GHSA-x96r-v3vc-578h","title":"Twonky Server 8.5.2 on Linux and Windows is vulnerable to an access control flaw. An...","description":"Twonky Server 8.5.2 on Linux and Windows is vulnerable to an access control flaw. An unauthenticated attacker can bypass web service API authentication controls to leak a log file and read the administrator's username and encrypted password.","status":"published","published":"2025-11-19T18:31:21Z","modified":"2025-12-02T18:31:28Z","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"},{"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-420"],"updated_at":"2026-11-02T15:05:00.770101Z"}],"nvd":[{"id":"CVE-2025-13315","description":"Twonky Server 8.5.2 on Linux and Windows is vulnerable to an access control flaw. An unauthenticated attacker can bypass web service API authentication controls to leak a log file and read the administrator's username and encrypted password.","status":"published","published":"2025-11-19T18:15:47.843Z","modified":"2026-10-18T20:10:00.11Z","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"},{"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"}],"cwes":["CWE-420"],"updated_at":"2026-11-02T14:11:46.009629Z"}]}}