SolarWinds Serv-U before 15.2 is affected by Cross Site Scripting (XSS) via the HTTP Host header.
Priority LOW 30CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
SolarWinds Serv-U before 15.2 is affected by Cross Site Scripting (XSS) via the HTTP Host header.
Why it matters now
EPSS 0.01393 72nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:solarwinds:serv-u_file_server:*:*:*:*:*:*:*:* | before 15.2 | Vulnerable | SolarWinds |
- cpe:2.3:a:solarwinds:serv-u_file_server:*:*:*:*:*:*:*:* Versions before 15.2 Vulnerable ·SolarWinds
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-25179
- 2026-10-03 Alias added: GHSA-xf68-w3vg-8g6p
References
More SolarWinds Serv-u File Server vulnerabilities
- TI-2009-03798 Stack-based buffer overflow in the TEA decoding algorithm in RhinoSoft Serv-U FTP server… CVSS 2.0HIGH 10.0
- TI-2004-00299 Buffer overflow in Serv-U ftp before 5.0.0.4 allows remote authenticated users to execute… CVSS 2.0HIGH 10.0
- TI-2004-01984 Stack-based buffer overflow in the site chmod command in Serv-U FTP Server before 4.2… CVSS 2.0HIGH 8.5
- TI-2004-02402 Serv-U FTP server before 5.1.0.0 has a default account and password for local… CVSS 2.0HIGH 10.0
- TI-2008-04293 Directory traversal vulnerability in the FTP server in Serv-U 7.0.0.1 through 7.3… CVSS 2.0HIGH 9.0
- TI-2011-04128 Directory traversal vulnerability in Serv-U FTP Server before 11.1.0.5 allows remote… CVSS 2.0HIGH 9.0
Sources
- CVE-2021-25179 · CVE Program
- CVE-2021-25179 · NVD
- FIRST EPSS
- GHSA-xf68-w3vg-8g6p · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences