Arbitrary Command Execution in Webmin 1.962 by Virtualmin
CVE-2020-35606

8.8HIGH

Key Information:

Vendor

Webmin

Status
Webmin
Vendor
CVE Published:
21 December 2020

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 81%

What is CVE-2020-35606?

Webmin version 1.962 is susceptible to arbitrary command execution due to a flaw in the Package Updates module. An authorized user can exploit this vulnerability to execute commands with root privileges by manipulating parameters that include URL encoding, specifically %0A and %0C. This security issue arises from an incomplete fix related to a previous vulnerability, making it critical for system administrators to address this risk promptly.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

webminscan
Created by anasbousselham

References

https://www.pentest.com.tr/exploits/Webmin-1962-PU-Escape...
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https://www.webmin.com/download.html
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http://packetstormsecurity.com/files/160676/Webmin-1.962-...
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EPSS Score

81% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.