SolarWinds Web Help Desk Deserialization of Untrusted Data Remote Code Execution Vulnerability
60Vexday Risk Score
Keep watching. It has a public proof of concept.
ssvc Attendcvss 9.8epss 60%
exploitation probability
60%top 1% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
SolarWinds Web Help Desk was found to be susceptible to an untrusted data deserialization vulnerability that could lead to remote code execution, which would allow an attacker to run commands on the host machine. This could be exploited without authentication.
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⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_2026-1_release_notes.htmhttps://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.pyhttps://www.solarwinds.com/trust-center/security-advisories/CVE-2025-40553