Auth bypass in Joey-Zhou Xiaozhi-Esp32-Server-Java

CVE-2025-15135

A weakness has been identified in joey-zhou xiaozhi-esp32-server-java up to 3.0.0. This impacts the function tryAuthenticateWithCookies of the file AuthenticationInterceptor.java of the component Cookie Handler. Executing manipulation can lead to improper authentication. The attack can be launched remotely. The exploit has been made available to the public and could be exploited. Upgrading to version 4.0.0 will fix this issue. It is recommended to upgrade the affected component.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.003 (23.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 23.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-15135: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: -0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-15135?
CVE-2025-15135 is a medium-severity vulnerability in Joey-Zhou Xiaozhi-Esp32-Server-Java, classified under Improper Authentication. CVSS score: 6.3/10. Published 2025-12-28.
How severe is CVE-2025-15135?
Medium severity. CVSS v3 base score is 6.3 out of 10.