What is the CVSS score of CVE-2021-31605?

CVE-2021-31605 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 3.3%.

Openvpn Monitor CVE-2021-31605

HIGH

OS Command Injection (CWE-78)

2021-09-27 cve@mitre.org

Command Injection Openvpn Monitor

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Sep 27, 2021 - 06:15 nvd

HIGH 7.5

DescriptionNVD

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.

AnalysisAI

furlongm openvpn-monitor through 1.1.3 allows %0a command injection via the OpenVPN management interface socket. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. 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. Affected products include: Openvpn-Monitor Project Openvpn-Monitor. Version information: through 1.1.3.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.