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.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 52.0%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 52.00% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-1390
- Affected
- solarwinds/web help desk
- Source
- psirt@solarwinds.com
EPSS moved from 52.0% on 25 September 2026 to 52.0% on 26 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_2026-1_release_notes.htmRelease Notes
- https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-40552Vendor Advisory
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.