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[R1] Nessus Version 10.8.4 Fixes Multiple Vulnerabilities

High
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Synopsis

Nessus leverages third-party software to help provide underlying functionality. Several of the third-party components (libxml2, expat) were found to contain vulnerabilities, and updated versions have been made available by the providers.

Out of caution and in line with best practice, Tenable has opted to upgrade these components to address the potential impact of the issues. Nessus Version 10.8.4 updates libxml2 to version 2.13.7 and expat to version 2.7.0 to address the identified vulnerabilities.

Additionally, two separate vulnerabilities were discovered, reported and fixed:

When installing Nessus to a non-default location on a Windows host, Nessus versions prior to 10.8.4 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. - CVE-2025-24914

In Nessus versions prior to 10.8.4, a non-authenticated attacker could alter Nessus logging entries by manipulating http requests to the application. - CVE-2025-36625

Solution

Tenable has released Nessus 10.8.4 to address these issues. The installation files can be obtained from the Tenable Downloads Portal: https://www.tenable.com/downloads/nessus

Additional References

https://docs.tenable.com/release-notes/Content/nessus/2025.htm#10.8.4

This page contains information regarding security vulnerabilities that may impact Tenable's products. This may include issues specific to our software, or due to the use of third-party libraries within our software. Tenable strongly encourages users to ensure that they upgrade or apply relevant patches in a timely manner.

Tenable takes product security very seriously. If you believe you have found a vulnerability in one of our products, we ask that you please work with us to quickly resolve it in order to protect customers. Tenable believes in responding quickly to such reports, maintaining communication with researchers, and providing a solution in short order.

For more details on submitting vulnerability information, please see our Vulnerability Reporting Guidelines page.

If you have questions or corrections about this advisory, please email [email protected]

Risk Information

Tenable Advisory ID: TNS-2025-05
Risk Factor: High
Credit:
Antoine Roly - CVE-2025-36625
Will Dormann - CVE-2025-24914
CVSSv3 Base / Temporal Score:
7.5 / 6.5 (CVE-2025-24928)
6.5 / 5.7 (CVE-2025-27113)
8.1 / 7.7 (CVE-2024-40896)
7.5 / 6.5 (CVE-2024-56171)
5.3 / 4.6 (CVE-2024-50602)
6.5 / 5.7 (CVE-2024-8176)
7.8 / 7.0 (CVE-2025-24914)
4.3 / 3.9 (CVE-2025-36625)
CVSSv3 Vector:
AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C (CVE-2025-24928)
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C (CVE-2025-27113)
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H/E:U/RL:O/RC:C (CVE-2024-40896)
AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C (CVE-2024-56171)
AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C (CVE-2024-50602)
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C (CVE-2024-8176)
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C (CVE-2025-24914)
AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C (CVE-2025-36625)
CWE:
CWE-276: Incorrect Default Permissions - CVE-2025-24914
CWE-117: Improper Output Neutralization for Logs - CVE-2025-36625

Affected Products

Nessus 10.8.3 and earlier

Disclosure Timeline

2024-11-15 - Report received by Tenable (CVE-2025-24914)
2024-12-21 - Report confirmed as valid
2025-01-10 - CVE ID requested / CVSS v3 scoring calculated
2025-04-17 - Nessus 10.8.4 released
2025-01-27 - Report received by Tenable (CVE-2025-36625)
2025-02-04 - Report confirmed as valid
2025-04-16 - CVE ID requested / CVSS v3 scoring calculated
2025-04-17 - Nessus 10.8.4 released

Advisory Timeline

2025-04-17 - [R1] Initial Release
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