CVE-2024-9158: A stored cross site scripting vulnerability exists in Nessus Network Monitor where an authenticated, privilege

Q: How do I fix CVE-2024-9158?

nessus network monitor: upgrade to 6.5.0. Exact commands for each OS are on this page.

Q: Is CVE-2024-9158 being exploited?

CVE-2024-9158 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-2024-9158 affect?

CVE-2024-9158 affects nessus network monitor. Severity is high (CVSS 8.4). A stored cross site scripting vulnerability exists in Nessus Network Monitor where an authenticated, privileged local attacker could inject arbitrary code into the NNM UI via the local CLI.

Routine

HIGH 8.4UPGRADE

CVE-2024-9158 is a high-severity flaw (CVSS 8.4) affecting nessus network monitor. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A stored cross site scripting vulnerability exists in Nessus Network Monitor where an authenticated, privileged local attacker could inject arbitrary code into the NNM UI via the local CLI.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.4 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	Required
EPSS exploit chance	0.3% (top 75%)
CISA exploited list	No
Weakness	CWE-79
Published	2024-09-30
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

2024-09-30 17:15 UTCPublished CVE record published
2026-06-17 08:24 UTCUpdated Record last modified

tenable nessus network monitor UPGRADE

Affected: < 6.5.0

Fixed in: 6.5.0

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 6.5.0 (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-2024-9158?

nessus network monitor: upgrade to 6.5.0. Exact commands for each OS are on this page.

Is CVE-2024-9158 being exploited?

CVE-2024-9158 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-2024-9158 affect?

CVE-2024-9158 affects nessus network monitor. Severity is high (CVSS 8.4). A stored cross site scripting vulnerability exists in Nessus Network Monitor where an authenticated, privileged local attacker could inject arbitrary code into the NNM UI via the local CLI.

How urgent is CVE-2024-9158?

Priority 36/100. High severity

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-2025-24916 HIGH 7.0 UPGRADE When installing Tenable Network Monitor to a non-default location on a Windows host, Tenable Network Monitor v

References

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