CVE-2023-39001

CRITICALNVD 9.89.8—Elevated

9.8

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 v3: 9.8
EG Score: 9.8(medium)
EPSS: 90.4%
KEV: Not listed

Published

August 9, 2023

Last Modified

November 21, 2024

Advisory Details (2)

Auto-updated May 29, 2026

🔬 Proof of concept available. Upstream fix merged — awaiting tagged release. Sources: github_commit.

generic🟡 PoC Available

Security Audits, Penetration Tests, Security Awareness - LogicalTrust - [EN] A-Z: OPNsense - Penetration Test

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

github_commit

commit e800097d0c28 (opnsense/core)

Fix landed in opnsense/core commit e800097d0c28 — awaiting tagged release

https://github.com/opnsense/core/commit/e800097d0c287bb665f0751a98a67c75ef7b45e5

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-77Command Injection

Data Freshness Timeline

(refreshed 16× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-05 22:46 UTCepss_batch
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2026-06-05 06:09 UTCepss_batch
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2026-06-04 13:11 UTCepss_batch
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2026-06-02 20:12 UTCepss_batch
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2026-05-31 22:30 UTCepss_batch
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2026-05-28 13:43 UTCepss_batch
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Frequently asked(5)

What is CVE-2023-39001?

CVE-2023-39001 is a critical vulnerability published on August 9, 2023. 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.

When was CVE-2023-39001 disclosed?

CVE-2023-39001 was first published in the National Vulnerability Database on August 9, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-39001 actively exploited?

CVE-2023-39001 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 90.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-39001?

CVE-2023-39001 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2023-39001?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-39001, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-39001

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CVE-2023-39001

📅 Published

🔄 Last Modified

📋 Advisory Details (2)