CVE-2023-39004
Insecure permissions in the configuration directory (/conf/) of OPNsense before 23.7 allow...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2023-39004- 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 - Weakness
- CWE-732
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2023-39004- Updated
- 2026-11-02
EUVDEUVD-2023-42761 No score
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.
- Record
EUVD-2023-42761- Updated
- 2026-11-02
GitHub AdvisoriesGHSA-g5mw-r3hw-p72x
Insecure permissions in the configuration directory (/conf/) of OPNsense before 23.7 allow...
Insecure permissions in the configuration directory (/conf/) of OPNsense before 23.7 allow attackers to access sensitive information (e.g., hashed root password) which could lead to privilege escalation.
- Record
GHSA-g5mw-r3hw-p72x- 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 - Weakness
- CWE-732
- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2023-39004- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-39004 is a critical vulnerability (CVSS 9.8) in Opnsense, published August 9, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.99%, the 62nd percentile. No source names a fixed version.