CVE-2021-35250 in the critical feed json
Directory Transversal Vulnerability in Serv-U 15.3
published 2022-04-25 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-21893
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 12.8%
- EPSS 12.8% chance of exploitation in 30 days, percentile 96%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
A researcher reported a Directory Transversal Vulnerability in Serv-U 15.3. This may allow access to files relating to the Serv-U installation and server files. This issue has been resolved in Serv-U 15.3 Hotfix 1.
Patch / fix
- SolarWinds Serv-U 15.3 Hotfix 1
Exploit prediction
12.80% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template SolarWinds Serv-U 15.3 - Directory Traversal nuclei detection template
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- SolarWinds Serv-U
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
Sources
- CVE List CVE-2021-35250
- NVD CVE-2021-35250
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