CVE-2023-5623
CVE-2023-5623 is a high-severity vulnerability in Tenable Nessus Network Monitor with a CVSS 3.x base score of 7.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.
Key facts
- Severity: High (CVSS 3.x base score 7.0)
- EPSS exploit prediction: 0% (5th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-94
- Affected product: Tenable Nessus Network Monitor
- Published:
- Last modified:
Description
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
Frequently asked questions
- What is CVE-2023-5623?
- 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
- How severe is CVE-2023-5623?
- CVE-2023-5623 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-5623 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-5623?
- CVE-2023-5623 affects Tenable Nessus Network Monitor. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-5623?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2023-5623 published?
- CVE-2023-5623 was published on 2023-10-26 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:tenable:nessus_network_monitor:*:*:*:*:*:*:*:*
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