CVE-2025-40551 KEV
9.8
CRITICAL · CVSS 3.1 · EPSS 84.2% (pctl 100)
Patch first
On CISA KEV — known exploited in the wild, due 2026-02-06.
Description
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 84.18% — more likely to be exploited than 100% of all CVEs |
| Weakness | CWE-502 |
| On CISA KEV | yes — remediate by 2026-02-06 |
| Public exploit | none known |
| Published | 2026-01-28 |
| Last modified | 2026-06-17 |
CISA KEV
| Name | SolarWinds Web Help Desk Deserialization of Untrusted Data Vulnerability |
|---|---|
| Added | 2026-02-03 |
| Due | 2026-02-06 |
| Vendor / product | SolarWinds / Web Help Desk |
| Ransomware use | none reported |
Affected (1)
| Vendor | Product |
|---|---|
| solarwinds | web help desk |
References
→ the Explorer · watch your stack · NVD