What’s Vulnerable › Vulnerabilities

CVE-2023-39001

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-08-09 · updated 2026-06-17
• Weakness: CWE-77

Description

A command injection vulnerability in the component diag_backup.php of OPNsense Community Edition before 23.7 and Business Edition before 23.4.2 allows attackers to execute arbitrary commands via a crafted backup configuration file.

Affected products

• OPNsense: before 23.7 — fixed in 23.7

How to fix

Upgrade to a fixed version: OPNsense 23.7. Check the vendor advisory for mitigations.

References

• https://github.com/opnsense/core/commit/e800097d0c287bb665f0751a98a67c75ef7b45e5
• https://logicaltrust.net/blog/2023/08/opnsense.html
• https://github.com/opnsense/core/commit/e800097d0c287bb665f0751a98a67c75ef7b45e5
• https://logicaltrust.net/blog/2023/08/opnsense.html

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