Vulnerability in Solarwinds Web Help Desk
CVE-2025-40554
SolarWinds Web Help Desk was found to be susceptible to an authentication bypass vulnerability that, if exploited, could allow an attacker to invoke specific actions within Web Help Desk.
EPSS: 0.063 (91.1th percentile) — read the EPSS interpretation.
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.
Affected products
- Solarwinds Web Help Desk — versions 12.8.8 HF1 and below
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.solarwinds.com/trust-center/security-advisories/CVE-2025-40554 (vendor-advisory, patch)
- documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_20… (release-notes)
Frequently asked questions
- What is CVE-2025-40554?
- CVE-2025-40554 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-2025-40554?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2025-40554 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.