CVE-2021-35247: SolarWinds Serv-U
EPSS3.4%No. 1491 of 1739 in KEV
CVE year2021~1 yrs before listing
Same vendor in KEV11
Same product4
| Field | Value |
|---|---|
| Vendor | SolarWinds |
| Product | Serv-U |
| Name | SolarWinds Serv-U Improper Input Validation Vulnerability |
| Added to KEV | 2022-01-21 |
| US federal due date | 2022-02-04 |
| Ransomware use | Unknown |
| CWE | CWE-20 |
CISA 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.
Other entries for this product
| CVE | Vendor / product | Added | EPSS | Ransomware |
|---|---|---|---|---|
| CVE-2026-28318 | SolarWinds Serv-U | 2026-06-05 | 1.9% | Unknown |
| CVE-2024-28995 | SolarWinds Serv-U | 2024-07-17 | 99.6% | Unknown |
| CVE-2021-35211 | SolarWinds Serv-U | 2021-11-03 | 91.1% | Known |
Data from CISA's Known Exploited Vulnerabilities (KEV) catalog. EPSS is FIRST's estimated probability of exploitation activity in the next 30 days, refreshed weekly. Always follow the vendor's official guidance.
About this page
A SolarWinds Serv-U vulnerability added to CISA's Known Exploited Vulnerabilities catalog on 2022-01-21.