CVE-2025-13315 in the critical feed json
Unauthenticated log access in Twonky Server
published 2025-11-19 11 mo ago modified 2026-10-18 21 d ago also EUVD-2025-198189
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 31.2%
- EPSS 31.2% chance of exploitation in 30 days, percentile 98%
- public exploits
- 1
- Metasploit, plus a Nuclei check
Summary
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.
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- 11 mo ago
Exploit prediction
31.18% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Metasploit auxiliary/gather/twonky_authbypass_logleak Twonky Server Log Leak Authentication Bypass metasploit auxiliary, normal rank
- Nuclei template Twonky Server 8.5.2 on Linux and Windows - Log File Exposure nuclei detection template
- rapid7.com https://www.rapid7.com/blog/post/cve-2025-13315-cve-2025-13316-critical-twonky-server-authentication-bypass-not-fixed/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 9.3 | 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 |
| CNA | 4.0 | 9.3 | 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 |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Lynxtechnology Twonky Server
Classification
- Weakness
-
- CWE-420 Unprotected Alternate Channel
References
-
rapid7.com
/blog/post/cve-2025-13315-cve-2025-13316-critical-twonky-server-authentication-bypass-not-fixed/
exploit, third-party-advisory
Sources
- CVE List CVE-2025-13315
- NVD CVE-2025-13315
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