miniserv.pl in Webmin 1.962 on Windows mishandles special characters in query arguments to the CGI program.
Priority MEDIUM 46Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
miniserv.pl in Webmin 1.962 on Windows mishandles special characters in query arguments to the CGI program.
Why it matters now
EPSS 0.01751 78th 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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-35769
- 2026-10-03 Alias added: GHSA-8hm5-9h77-h5hm
References
More Webmin vulnerabilities
- TI-2019-11278 An issue was discovered in Webmin <=1.920. KEVCVSS 3.1CRITICAL 9.8
- TI-2022-16770 software/apt-lib.pl in Webmin before 1.997 lacks HTML escaping for a UI command. CVSS 3.1CRITICAL 9.8
- TI-2022-00731 Improper Access Control to Remote Code Execution in webmin/webmin CVSS 3.1HIGH 8.8
- TI-2019-09619 In Webmin through 1.910, any user authorized to the "Package Updates" module can execute… CVSS 3.0HIGH 8.8
- TI-2021-11777 Webmin 1.973 is affected by reflected Cross Site Scripting (XSS) to achieve Remote… CVSS 3.1CRITICAL 9.6
- TI-2024-11888 OS command injection in Webmin CVSS 3.1HIGH 8.8
Sources
- CVE-2020-35769 · CVE Program
- CVE-2020-35769 · NVD
- FIRST EPSS
- GHSA-8hm5-9h77-h5hm · 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