Is CVE-2023-5623 being actively exploited?

CVE-2023-5623 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2023-5623?

CVE-2023-5623 has a CVSS 3.1 base score of 7.0 (HIGH).

CVE-2023-5623

HIGH · CVSS 7.0EPSS 0.2%EU EUVD

NNM failed to properly set ACLs on its installation directory, which could allow a low privileged user to run arbitrary code with SYSTEM privileges where NNM is installed to a non-standard location

Key facts

CVSS score: 7.0 (v3.1)
Severity: HIGH
CVSS vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-94
EPSS score: 0.2% (4th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2023-57916)
Published: October 26, 2023
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2023-57916 in the EU Vulnerability Database. Last updated in EUVD on September 9, 2024.

View on the EU Vulnerability Database

Affected products

tenable / nessus network monitor

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

Nessus Network Monitor 5.12.0 - Tenable, Inc. - Common Criteria CCEVS-VR-VID-11068-2020 - archived

References

https://www.tenable.com/security/tns-2023-34(Patch, Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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