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Tenable Nessus 8.x.x < 8.14.0 Privilege Escalation (TNS-2021-07)

medium Nessus Plugin ID 149280

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Synopsis

Tenable Nessus running on the remote host is affected by a privilege escalation vulnerability.

Description

According to its self-reported version, the Tenable Nessus application running on the remote host is prior to 8.14.0. It is, therefore, affected by a privilege escalation vulnerability. An authenticated attacker can exploit this, via file upload, to gain administrator privileges to the system.
 Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to Tenable Nessus version 8.14.0 or later.

See Also

https://www.tenable.com/security/tns-2021-07

Plugin Details

Severity: Medium

ID: 149280

File Name: nessus_tns_2021_07.nasl

Version: 1.7

Type: combined

Agent: windows, macosx, unix

Family: Misc.

Published: 5/5/2021

Updated: 2/8/2023

Configuration: Enable thorough checks

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2021-20079

CVSS v3

Risk Factor: Medium

Base Score: 6.7

Temporal Score: 5.8

Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:tenable:nessus

Required KB Items: installed_sw/Tenable Nessus

Exploit Ease: No known exploits are available

Patch Publication Date: 4/5/2021

Vulnerability Publication Date: 3/19/2021

Reference Information

CVE: CVE-2021-20079