CVE-2025-40552 in the critical feed json
SolarWinds Web Help Desk Authentication Bypass Vulnerability
published 9mo ago modified 4mo ago also EUVD-2025-206429
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 52.0%
- EPSS 52.0% chance of exploitation in 30 days, percentile 98%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
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.
Patch / fix
- solarwinds web_help_desk 2026.1
Is CVE-2025-40552 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- total
- Assessed
- 9mo ago
Exploit prediction
52.00% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- Nuclei template SolarWinds Web Help Desk - Authentication Bypass nuclei detection template
- github.com https://github.com/watchtowrlabs/watchTowr-vs-SolarWinds-WebHelpDesk-CVE-2025-40552-CVE-2025-40553/blob/main/watchTowr-vs-SolarWinds-WebHelpDesk-CVE-2025-40552-CVE-2025-40553.py referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 9.8 | 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
Classification
- Weakness
-
- CWE-1390 Weak Authentication
References
-
solarwinds.com
/trust-center/security-advisories/CVE-2025-40552
vendor-advisory, patch
-
github.com
/watchtowrlabs/watchTowr-vs-SolarWinds-WebHelpDesk-CVE-2025-40552-CVE-2025-40553/blob/main/watchTowr-vs-SolarW
exploit
-
documentation.solarwinds.com
/en/success_center/whd/content/release_notes/whd_2026-1_release_notes.htm
release-notes
Sources
- CVE List CVE-2025-40552
- NVD CVE-2025-40552
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.