CVE-2025-13315

Name: CVE-2025-13315
Creator: NVD / NIST
Published: 2025-11-19T18:15:47.843+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.3/10EPSS 31.94%

Last modified Jun 17, 2026

CVE-2025-13315 is a critical-severity vulnerability rated 9.3/10 on the CVSS scale. 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.. EPSS estimates a 31.94% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0

9.3/10

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

EPSS Probability

31.94%

98.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-420

Affected Software

Vendor	Product	Versions
Lynxtechnology	Twonky Server	8.5.2

References

https://www.rapid7.com/blog/post/cve-2025-13315-cve-2025-13316-critical-twonky-server-authentication-bypass-not-fixed/Exploit, Third Party Advisory

Timeline

Published: Nov 19, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-13315?

How severe is CVE-2025-13315?

CVE-2025-13315 has a CVSS score of 9.3/10 (CRITICAL severity). The EPSS model estimates a 31.94% probability of exploitation in the next 30 days.

How do I fix CVE-2025-13315?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-13315?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST