CVE-2023-39004

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.

CVSS v3.1

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

EPSS

0.98% chance of exploitation in the next 30 days, 60th percentile

Published

2023-08-09

Updated

2026-07-09

Proof-of-concept exploits (1)

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

References

• CVE Record
• NVD entry

Related

• CVE-2023-39003
• CVE-2023-39005
• CVE-2023-39002
• CVE-2023-39006
• CVE-2023-39001
• CVE-2023-39007