What is the CVSS score of CVE-2023-39979?

CVE-2023-39979 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.7%.

Mxsecurity CVE-2023-39979

CRITICAL

Small Space of Random Values (CWE-334)

2023-09-02 psirt@moxa.com

Authentication Bypass Mxsecurity

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Sep 02, 2023 - 13:15 nvd

CRITICAL 9.8

DescriptionNVD

There is a vulnerability in MXsecurity versions prior to 1.0.1 that can be exploited to bypass authentication. A remote attacker might access the system if the web service authenticator has insufficient random values.

AnalysisAI

There is a vulnerability in MXsecurity versions prior to 1.0.1 that can be exploited to bypass authentication. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-334. There is a vulnerability in MXsecurity versions prior to 1.0.1 that can be exploited to bypass authentication. A remote attacker might access the system if the web service authenticator has insufficient random values. Affected products include: Moxa Mxsecurity. Version information: prior to 1.0.1.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.