January 21, 2022 · Applied Cybernetics Group
CVE-2021-35247 — SolarWinds Serv-U
SolarWinds Serv-U Improper Input Validation Vulnerability
- Added to KEV
2022-01-21- Federal due date
2022-02-04- Vendor
- SolarWinds
- Product
- Serv-U
- EPSS
- 87.3th percentile (score 0.034, as of
2026-07-13) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2021-35247
CISA short description
SolarWinds Serv-U versions 15.2.5 and earlier contain an improper input validation vulnerability that allows attackers to build and send queries without sanitization.
Required action
Apply updates per vendor instructions.