CVE-2023-39003

Name: CVE-2023-39003
Creator: NVD / NIST
Published: 2023-08-09T19:15:14.953+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.66%

Last modified Jun 17, 2026

CVE-2023-39003 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. OPNsense Community Edition before 23.7 and Business Edition before 23.4.2 was discovered to contain insecure permissions in the directory /tmp.. EPSS estimates a 0.66% chance of exploitation in the next 30 days.

Description

OPNsense Community Edition before 23.7 and Business Edition before 23.4.2 was discovered to contain insecure permissions in the directory /tmp.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.66%

47.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-732

Affected Software

Vendor	Product	Versions
Opnsense	Opnsense	< 23.7

References

http://opnsense.comProduct
https://logicaltrust.net/blog/2023/08/opnsense.htmlExploit, Third Party Advisory
http://opnsense.comProduct
https://logicaltrust.net/blog/2023/08/opnsense.htmlExploit, Third Party Advisory

Timeline

Published: Aug 9, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-39003?

OPNsense Community Edition before 23.7 and Business Edition before 23.4.2 was discovered to contain insecure permissions in the directory /tmp.

How severe is CVE-2023-39003?

CVE-2023-39003 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.66% probability of exploitation in the next 30 days.

How do I fix CVE-2023-39003?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-39003?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST