VDB-305705 · CVE-2025-24914 · Nessus 234838

Tenable Nessus up to 10.8.3 default permission

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.1	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Tenable Nessus up to 10.8.3. This issue affects some unknown processing. The manipulation leads to default permission. This vulnerability is referenced as CVE-2025-24914. The attack can only be performed from a local environment. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Tenable Nessus up to 10.8.3. This issue affects an unknown functionality. The manipulation with an unknown input leads to a default permission vulnerability. Using CWE to declare the problem leads to CWE-276. During installation, installed file permissions are set to allow anyone to modify those files. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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

The advisory is shared at tenable.com. The identification of this vulnerability is CVE-2025-24914 since 01/28/2025. The exploitation is known to be easy. An attack has to be approached locally. The exploitation requires an enhanced level of successful authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1222 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 234838 (Tenable Nessus < 10.8.4 Privilege Escalation (TNS-2025-05)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 10.8.4 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (234838). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Security Testing Software

Vendor

Tenable

Name

Nessus

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.1

VulDB Base Score: 6.7
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector (tenable): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Default permission
CWE: CWE-276 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 234838
Nessus Name: Tenable Nessus < 10.8.4 Privilege Escalation (TNS-2025-05)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Nessus 10.8.4

Timelineinfo

01/28/2025 🔍
04/18/2025 +79 days 🔍
04/18/2025 +0 days 🔍
04/26/2025 +8 days 🔍

Sourcesinfo

Advisory: tenable.com
Status: Confirmed

CVE: CVE-2025-24914 (🔍)
GCVE (CVE): GCVE-0-2025-24914
GCVE (VulDB): GCVE-100-305705
scip Labs: https://www.scip.ch/en/?labs.20091204

Entryinfo

Created: 04/18/2025 21:08
Updated: 04/26/2025 04:22
Changes: 04/18/2025 21:08 (64), 04/26/2025 04:22 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.