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CVE-2025-34073

CVSS Score Not Available
65.83%
MEDIUM RiskEPSS (99th percentile)

An unauthenticated command injection vulnerability exists in stamparm/maltrail (Maltrail) versions <=0.54. A remote attacker can execute arbitrary operating system commands via the username parameter in a POST request to the /login endpoint. This occurs due to unsafe handling of user-supplied input passed to subprocess.check_output() in core/http.py, allowing injection of shell metacharacters. Exploitation does not require authentication and commands are executed with the privileges of the Maltrail process.

Published: 7/2/2025
Modified: 4/15/2026
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Vulnerability Summary

EPSS Score (Exploitation Probability)

65.83%MEDIUM Exploitation Risk
99th percentile

This vulnerability has a 65.83% probability of being exploited in the next 30 days, ranking higher than 99% of all scored CVEs.

CWE Classification

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Same Weakness Type(CWE-306, CWE-78)

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