Read the docs
TI-2021-11704 Aliases CVE-2021-31605GHSA-4258-vcjw-wwxx

furlongm openvpn-monitor through 1.1.3 allows %0a command injection via the OpenVPN…

Priority LOW 39CWE-78Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-78.

Summary

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.

Why it matters now

EPSS 0.03405 88th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—openvpn-monitor (PyPI)up to 1.1.3—No fix listedGHSA-4258-vcjw-wwxx
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • openvpn-monitor (PyPI) Vendor— Affected up to 1.1.3 Fixed in — No fix listed GHSA-4258-vcjw-wwxx

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:openvpn-monitor_project:openvpn-monitor:*:*:*:*:*:*:*:*up to 1.1.3VulnerableOpenvpn-monitor Project
  • cpe:2.3:a:openvpn-monitor_project:openvpn-monitor:*:*:*:*:*:*:*:* Versions up to 1.1.3 Vulnerable ·Openvpn-monitor Project

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-31605
  2. 2026-10-03 Alias added: GHSA-4258-vcjw-wwxx

References

  • TI-2021-11705 furlongm openvpn-monitor through 1.1.3 allows Authorization Bypass to disconnect arbitrary clients. CVSS 3.1HIGH 7.5
  • TI-2021-11703 furlongm openvpn-monitor through 1.1.3 allows CSRF to disconnect an arbitrary client. CVSS 3.1MEDIUM 6.5

Sources