Path Traversal in Solarwinds Serv-U
CVE-2025-40549
A Path Restriction Bypass vulnerability exists in Serv-U that when abused, could give a malicious actor with access to admin privileges the ability to execute code on a directory. This issue requires administrative privileges to abuse. On Windows systems, this scored as medium due to differences in how paths and home directories are handled.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.011 (66.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 66.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: +0.001
Affected products
- Solarwinds Serv-U — versions SolarWinds Serv-U 15.5.2 and prior versions
Weakness classification (CWE)
References
- www.solarwinds.com/trust-center/security-advisories/CVE-2025-40549 (Patch, Vendor Advisory)
- documentation.solarwinds.com/en/success_center/servu/content/release_notes/serv… (Release Notes)
Frequently asked questions
- What is CVE-2025-40549?
- CVE-2025-40549 is a critical-severity vulnerability in Solarwinds Serv-U, classified under Path Traversal. CVSS score: 9.1/10. Published 2025-11-18.
- How severe is CVE-2025-40549?
- Critical severity. CVSS v3 base score is 9.1 out of 10.