TI-2020-18103 Aliases CVE-2020-35606 GHSA-vq42-23mp-rqh2

Arbitrary command execution can occur in Webmin through 1.962.

MEDIUM 61CWE-78Published 2020-12-21 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-78.

Summary

Arbitrary command execution can occur in Webmin through 1.962. Any user authorized for the Package Updates module can execute arbitrary commands with root privileges via vectors involving %0A and %0C. NOTE: this issue exists because of an incomplete fix for CVE-2019-12840.

Why it matters now

EPSS 0.28048 98th percentileScored 2026-11-07

Public exploit Yes 3 exploit referencesTagged by NVD and the CNA

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:webmin:webmin::::::::	up to 1.962	Vulnerable	Webmin

cpe:2.3:a:webmin:webmin:*:*:*:*:*:*:*:* Versions up to 1.962 Vulnerable ·Webmin

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-35606
2026-10-03 Alias added: GHSA-vq42-23mp-rqh2

References

Exploit 3

Other 1

https://www.webmin.com/download.html

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

See all 95 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences