Vulnerability DatabaseCVE-2021-31605
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CVE-2021-31605
Published:September 27, 2021
Updated:May 17, 2026
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.
Related Resources (5)
https://nvd.nist.gov/vuln/detail/CVE-2021-31605
https://github.com/pypa/advisory-database/tree/main/vulns/openvpn-monitor/PYSEC-2021-353.yaml
http://packetstormsecurity.com/files/164278/OpenVPN-Monitor-1.1.3-Command-Injection.html
https://github.com/furlongm/openvpn-monitor
https://github.com/furlongm/openvpn-monitor/releases
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Improper Neutralization of Special Elements used in a Command ('Command Injection')
CWE-77
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CWE-78
EPSS
Base Score:
2.19