CVE-2025-36236: ibm aix Path Traversal

Vulnerability summary

CVE-2025-36236 is a critical (CVSS 9.1) Path Traversal vulnerability in ibm aix. EPSS estimates a 0.53% chance of exploitation in the next 30 days, higher than 43.3% of scored vulnerabilities.

Timeline

1. 13-11-2025
   PublishedVulnerability first disclosed.
2. 14-11-2025
   Last modifiedVulnerability information updated.

Description

IBM AIX 7.2, and 7.3 and IBM VIOS 3.1, and 4.1 NIM server (formerly known as NIM master) service (nimesis) could allow a remote attacker to traverse directories on the system. An attacker could send a specially crafted URL request to write arbitrary files on the system.

• CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.