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Vulnerability record · CVE-2023-39001 · published 9 August 2023

CVE-2023-39001: Opnsense command injection vulnerability

Opnsense · Opnsense

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.

9.8 CVSS 3.1 Critical EPSS 3.6% · top 10.9% CWE-77 · Command injection
9.8CVSS 3.1 base score
3.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/opnsense/core/commit/e800097d0c287bb665f0751a98a67c75ef7b45e5 Patch
https://logicaltrust.net/blog/2023/08/opnsense.html ExploitThird Party Advisory
https://github.com/opnsense/core/commit/e800097d0c287bb665f0751a98a67c75ef7b45e5 Patch
https://logicaltrust.net/blog/2023/08/opnsense.html ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-39001), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.