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Vulnerability record · CVE-2025-24916 · published 23 May 2025

CVE-2025-24916: Tenable nessus network monitor improper access control vulnerability

Tenable · Nessus Network Monitor

When installing Tenable Network Monitor to a non-default location on a Windows host, Tenable Network Monitor versions prior to 6.5.1 did not enforce secure permissions for sub-directories. This could allow for local privilege escalation if users had not secured the directories in the non-default installation location.

7.8 CVSS 3.1 High EPSS 0.15% · top 96.5% CWE-284 · Improper access control
7.8CVSS 3.1 base score
0.15%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

When installing Tenable Network Monitor to a non-default location on a Windows host, Tenable Network Monitor versions prior to 6.5.1 did not enforce secure permissions for sub-directories. This could allow for local privilege escalation if users had not secured the directories in the non-default installation location.

CVSS:3.1/AV:L/AC:L/PR:L/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://www.tenable.com/security/tns-2025-10 Vendor Advisory

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Related vulnerabilities

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

9.8CVE-2021-3711OpenSSL SM2 decryption buffer overflowOpenSSL's SM2 decryption code miscalculates the output buffer size needed by EVP_PKEY_decrypt(), so the first sizing call can return a value smaller …EPSS 88%analysed8.8CVE-2023-5622Tenable nessus network monitor improper privilege management vulnerabilityUnder certain conditions, Nessus Network Monitor could allow a low privileged user to escalate privileges to NT AUTHORITY\SYSTEM on Windows hosts by …EPSS 0.47%7.8CVE-2025-24917Tenable nessus network monitor improper access control vulnerabilityIn Tenable Network Monitor versions prior to 6.5.1 on a Windows host, it was found that a non-administrative user could stage files in a local direct…EPSS 0.16%7.8CVE-2023-5623Tenable nessus network monitor code injection vulnerabilityNNM failed to properly set ACLs on its installation directory, which could allow a low privileged user to run arbitrary code with SYSTEM privileges w…EPSS 0.15%7.8CVE-2020-5794Tenable nessus network monitor vulnerabilityA vulnerability in Nessus Network Monitor versions 5.11.0, 5.11.1, and 5.12.0 for Windows could allow an authenticated local attacker to execute arbi…EPSS 0.37%7.5CVE-2021-23840OpenSSL EVP cipher update integer overflow causes negative output lengthCalls to EVP_CipherUpdate, EVP_EncryptUpdate and EVP_DecryptUpdate can overflow the output length argument when the input length approaches the platf…EPSS 51%analysed7.4CVE-2021-3712OpenSSL ASN.1 string printing out-of-bounds readOpenSSL functions that print ASN.1 data assume ASN1_STRING buffers are NUL terminated, but applications can construct valid ASN1_STRING structures wi…EPSS 50%analysed7.4CVE-2021-3450Openssl improper certificate validation vulnerabilityThe X509_V_FLAG_X509_STRICT flag enables additional security checks of the certificates present in a certificate chain. It is not set by default. Sta…EPSS 18%

Source: NIST National Vulnerability Database (record CVE-2025-24916), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.