CVE-2025-23388: Unauthenticated stack overflow in /v3-public/authproviders API

8.2 CVSS

Description

A Stack-based Buffer Overflow vulnerability in SUSE rancher allows for denial of service.This issue affects rancher: from 2.8.0 before 2.8.13, from 2.9.0 before 2.9.7, from 2.10.0 before 2.10.3.

Classification

CVE ID: CVE-2025-23388

CVSS Base Severity: HIGH

CVSS Base Score: 8.2

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

Problem Types

CWE-121: Stack-based Buffer Overflow

Affected Products

Vendor: SUSE

Product: rancher

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.05% (probability of being exploited)

EPSS Percentile: 16.32% (scored less or equal to compared to others)

EPSS Date: 2025-04-20 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-23388
https://bugzilla.suse.com/show_bug.cgi?id=CVE-2025-23388
https://github.com/rancher/rancher/security/advisories/GHSA-xr9q-h9c7-xw8q

Timeline