CVE-2025-24916: When installing Tenable Network Monitor to a non-default location on a Windows host, Tenable Network Monitor v

Q: How do I fix CVE-2025-24916?

nessus network monitor: upgrade to 6.5.1. Exact commands for each OS are on this page.

Q: Is CVE-2025-24916 being exploited?

CVE-2025-24916 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-24916 affect?

CVE-2025-24916 affects nessus network monitor. Severity is high (CVSS 7.0). 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

Routine

HIGH 7.0UPGRADE

CVE-2025-24916 is a high-severity flaw (CVSS 7.0) affecting nessus network monitor. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.0 (High)
Attack vector	Local
Attack complexity	High
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 95%)
CISA exploited list	No
Weakness	CWE-284
Published	2025-05-23
Last modified	2026-06-17

Publisher (CNA): Tenable Network Security, Inc. · Vendor: tenable

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-05-23 16:15 UTCPublished CVE record published
2026-06-17 08:59 UTCUpdated Record last modified

tenable nessus network monitor UPGRADE

Affected: < 6.5.1

Fixed in: 6.5.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy nessus-network-monitor || rpm -q nessus-network-monitor || nessus-network-monitor --version

2. UPGRADE to 6.5.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade nessus-network-monitor

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade nessus-network-monitor

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-24916?

nessus network monitor: upgrade to 6.5.1. Exact commands for each OS are on this page.

Is CVE-2025-24916 being exploited?

CVE-2025-24916 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-24916 affect?

CVE-2025-24916 affects nessus network monitor. Severity is high (CVSS 7.0). 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

How urgent is CVE-2025-24916?

Priority 26/100. High severity

Software pages

Windows vulnerabilities

Related CVEs

CVE-2025-24917 HIGH 7.8 UPGRADE In Tenable Network Monitor versions prior to 6.5.1 on a Windows host, it was found that a non-administrative u
CVE-2024-9158 HIGH 8.4 UPGRADE A stored cross site scripting vulnerability exists in Nessus Network Monitor where an authenticated, privilege

References

← Back to latest CVEs