Is CVE-2023-39004 actively exploited?

No active exploitation of CVE-2023-39004 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-39004 be exploited remotely?

Yes. CVE-2023-39004 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-39004?

CVE-2023-39004 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2023-39004

CRITICAL

CVE-2023-39004

CWE-732Published: August 9, 2023· Updated: Jul 9, 2026

9.8

CVSS v3.1

Official Description

Insecure permissions in the configuration directory (/conf/) of OPNsense Community Edition before 23.7 and Business Edition before 23.4.2 allow attackers to access sensitive information (e.g., hashed root password) which could lead to privilege escalation.

NVD Source

Risk Analysis

Insecure file permissions in the OPNsense configuration directory allow unauthorized access to sensitive information, including hashed root passwords. This flaw facilitates privilege escalation and total system compromise.

The vulnerability is remotely exploitable with low complexity, but no public exploit is known and it is not in the KEV.

Recommended Action

Upgrade OPNsense Community Edition to 23.7 or Business Edition to 23.4.2 or later.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-39004 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.