THREATPORT/VULNERABILITY/CVE-2025-34073
HIGH SEVERITY

CVE-2025-34073

CVE-2025-34073 vulnerability

Severity
HIGH
EPSS
3.9%
EPSS pct
89th
Exploited
No known
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.
Affected vendor
See references
Affected product
See references
Weakness type (CWE)
  • CWE-78 — OS Command Injection
  • CWE-306 — Missing Authentication for Critical Function
Published
2025-07-02

Risk analysis

Its EPSS score of 3.9% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2025-34073

  • Confirm whether the affected software is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2025-34073.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2025-34073

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