SolarWinds Serv-U known exploited vulnerabilities
We track 4 CVEs in SolarWinds Serv-U. All of them are on CISA's Known Exploited Vulnerabilities catalog, meaning CISA has evidence of exploitation in the wild (listed 2021–2026). CISA flags 1 of them as used in ransomware campaigns. The most recent is CVE-2026-28318, added to KEV on .
- CVEs tracked
- 4
- On CISA KEV
- 4
- Ransomware use
- 1
- Rated critical
- 1
Every SolarWinds Serv-U CVE we track
| CVE / Vulnerability | Severity | CVSS | EPSS | Added to KEV | Patch by |
|---|---|---|---|---|---|
| CVE-2026-28318 SolarWinds Serv-U Uncontrolled Resource Consumption Vulnerability | [ HIGH ] | 7.5 | 1.9% | ||
| CVE-2024-28995 SolarWinds Serv-U Path Traversal Vulnerability | [ HIGH ] | 8.6 | 99.6% | ||
| CVE-2021-35247 SolarWinds Serv-U Improper Input Validation Vulnerability | [ MEDIUM ] | 4.3 | 3.5% | ||
| CVE-2021-35211 SolarWinds Serv-U Remote Code Execution Vulnerabilityransomware use | [ CRITICAL ] | 9.0 | 91.2% |
Sorted by date added to KEV. Severity and CVSS as stated by NVD or the vendor; EPSS from FIRST.org. "Patch by" is CISA's BOD 22-01 deadline for US federal agencies, a useful priority signal for everyone else. Machine-readable: /api/v1/vendors/solarwinds.json.
Other SolarWinds products
Every row links to its CVE record with the CISA required action, catalog coverage and primary sources. We describe impact and remediation only; no exploit code. See the full KEV tracker or compare KEV catalogs.