Vulnerability in Solarwinds Web Help Desk
CVE-2025-40552
SolarWinds Web Help Desk was found to be susceptible to an authentication bypass vulnerability that if exploited, would allow a malicious actor to execute actions and methods that should be protected by authentication.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.520 (98.9th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 98.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.497 · newest: 0.520 · change: +0.023
Affected products
- Solarwinds Web Help Desk — versions 12.8.8 HF1 and below
- Solarwinds Web Help Desk
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.solarwinds.com/trust-center/security-advisories/CVE-2025-40552 (vendor-advisory, patch, Vendor Advisory)
- documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_20… (Release Notes)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0
Frequently asked questions
- What is CVE-2025-40552?
- CVE-2025-40552 is a critical-severity vulnerability in Solarwinds Web Help Desk, classified under Weak Authentication. CVSS score: 9.8/10. Published 2026-01-28.
- How severe is CVE-2025-40552?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2025-40552 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.