What is the CVSS score of CVE-2021-31604?

CVE-2021-31604 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.7%.

Is there a public PoC exploit available for CVE-2021-31604?

Yes, a public proof-of-concept exploit is available for CVE-2021-31604. Prioritise patching immediately. EPSS: 0.7%.

Openvpn Monitor CVE-2021-31604

MEDIUM

Cross-Site Request Forgery (CSRF) (CWE-352)

2021-09-27 cve@mitre.org

CSRF Openvpn Monitor

6.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Sep 27, 2021 - 06:15 nvd

MEDIUM 6.5

DescriptionNVD

furlongm openvpn-monitor through 1.1.3 allows CSRF to disconnect an arbitrary client.

AnalysisAI

furlongm openvpn-monitor through 1.1.3 allows CSRF to disconnect an arbitrary client. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Request Forgery (CSRF) (CWE-352), which allows attackers to trick authenticated users into performing unintended actions. furlongm openvpn-monitor through 1.1.3 allows CSRF to disconnect an arbitrary client. 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. Implement anti-CSRF tokens, validate Origin/Referer headers, use SameSite cookie attribute.