CVE-2023-39004

9.8 criticalEPSS 1.0%

Critical (9.8) in opnsense opnsense. EPSS 1.0% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical

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

EPSS: 1.0% chance of exploitation in the next 30 days; higher than 62% of CVEs (scores of 2026-10-31)
CWE: CWE-732
Published: 2023-08-09
Modified: 2026-07-09
Record from: the NVD, synced 2026-10-19

Affected

opnsense:opnsense

References

https://logicaltrust.net/blog/2023/08/opnsense.html
https://logicaltrust.net/blog/2023/08/opnsense.html

Check your stack JSON