furlongm openvpn-monitor command injection

HIGH 7.5CVE-2021-31605 · GHSA-4258-vcjw-wwxx · PYSEC-2021-353 · Published 27/09/2021 · updated 17/06/2026

In short

CVE-2021-31605 is a HIGH (CVSS 7.5) vulnerability affecting openvpn-monitor, openvpn-monitor (openvpn-monitor project).
Chance of exploitation in the next 30 days (EPSS): 3.4%, higher than 88.9% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
openvpn-monitor PyPI	`≤ 1.1.3all versions`	No fix yet
openvpn-monitor openvpn-monitor_project	`≤ 1.1.3`	No fix yet

Description

furlongm openvpn-monitor through 1.1.3 allows %0a command injection via the OpenVPN management interface socket. This can shut down the server via signal SIGTERM.

NVD description

furlongm openvpn-monitor through 1.1.3 allows %0a command injection via the OpenVPN management interface socket. This can shut down the server via signal%20SIGTERM.

References

nvd.nist.gov/vuln/detail/CVE-2021-31605 · ADVISORY
furlongm/openvpn-monitor · PACKAGE
furlongm/openvpn-monitor release · WEB
pypa/advisory-database · WEB
packetstormsecurity.com/files/164278/OpenVPN-Monitor-1.1.3-Command-Injection.html · WEB
GitHub Advisory GHSA-4258-vcjw-wwxx · ADVISORY

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Package

Affected versions

Patched versions

openvpn-monitor

PyPI

≤ 1.1.3all versions

No fix yet

openvpn-monitor

openvpn-monitor_project

≤ 1.1.3

No fix yet

Description

furlongm openvpn-monitor through 1.1.3 allows %0a command injection via the OpenVPN management interface socket. This can shut down the server via signal SIGTERM.

NVD description

furlongm openvpn-monitor through 1.1.3 allows %0a command injection via the OpenVPN management interface socket. This can shut down the server via signal%20SIGTERM.