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Vulnerability record · CVE-2020-35606 · published 21 December 2020

CVE-2020-35606: Webmin os command injection vulnerability

Webmin · Webmin

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.

8.8 CVSS 3.1 High EPSS 28% · top 2.0% CWE-78 · OS command injection
8.8CVSS 3.1 base score, v2 9.0
28%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References, 6 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/160676/Webmin-1.962-Remote-Command-Execution.html ExploitThird Party AdvisoryVDB Entry
https://www.exploit-db.com/exploits/49318 ExploitThird Party AdvisoryVDB Entry
https://www.pentest.com.tr/exploits/Webmin-1962-PU-Escape-Bypass-Remote-Command-Execution.html ExploitThird Party Advisory
https://www.webmin.com/download.html Product
http://packetstormsecurity.com/files/160676/Webmin-1.962-Remote-Command-Execution.html ExploitThird Party AdvisoryVDB Entry
https://www.exploit-db.com/exploits/49318 ExploitThird Party AdvisoryVDB Entry
https://www.pentest.com.tr/exploits/Webmin-1962-PU-Escape-Bypass-Remote-Command-Execution.html ExploitThird Party Advisory
https://www.webmin.com/download.html Product

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-35606), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.