Unauthenticated Command Injection Vulnerability in Maltrail by Stamparm
CVE-2025-34073
Key Information:
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What is CVE-2025-34073?
An unauthenticated command injection vulnerability in Maltrail versions up to 0.54 allows remote attackers to execute arbitrary operating system commands. This vulnerability arises from insufficient input validation of the username parameter in POST requests to the /login endpoint. The flaw is a result of inadequate handling of user-supplied data within subprocess.check_output() in core/http.py, permitting the injection of shell metacharacters. Exploitation is straightforward as it does not require authentication, and the commands are executed with the privileges of the Maltrail process, posing significant security risks.

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Affected Version(s)
Maltrail 0 <= 0.54
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.
References
EPSS Score
54% chance of being exploited in the next 30 days.
CVSS V4
Timeline
- π‘
Public PoC available
- πΎ
Exploit known to exist
Vulnerability published
Vulnerability Reserved
