Tenable SecurityCenter 5.13.0 - 5.17.0 Remote Code Execution (TNS-2021-03)

medium Nessus Plugin ID 146962

New! Vulnerability Priority Rating (VPR)

Tenable calculates a dynamic VPR for every vulnerability. VPR combines vulnerability information with threat intelligence and machine learning algorithms to predict which vulnerabilities are most likely to be exploited in attacks. Read more about what VPR is and how it is different from CVSS.

VPR Score: 5.9

Synopsis

An application installed on the remote host is affected by a remote code execution vulnerability.

Description

According to its self-reported version, the Tenable SecurityCenter application installed on the remote host is in the 5.13.0 through 5.17.0 version range. Tenable.sc and Tenable.sc Core versions 5.13.0 through 5.17.0 were found to contain a vulnerability that could allow an authenticated, unprivileged user to perform Remote Code Execution (RCE) on the Tenable.sc server via Hypertext Preprocessor unserialization.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

See Tenable advisory.

Plugin Details

Severity: Medium

ID: 146962

File Name: securitycenter_5_17_0_tns_2021_03.nasl

Version: 1.9

Type: combined

Agent: unix

Family: Misc.

Published: 3/3/2021

Updated: 3/15/2021

Dependencies: securitycenter_installed.nbin, securitycenter_detect.nbin

Risk Information

Risk Factor: Medium

VPR Score: 5.9

CVSS Score Source: CVE-2021-20076

CVSS v2.0

Base Score: 6.5

Temporal Score: 4.8

Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 8.8

Temporal Score: 7.7

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

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

Vulnerability Information

CPE: cpe:/a:tenable:securitycenter

Exploit Ease: No known exploits are available

Patch Publication Date: 3/2/2021

Vulnerability Publication Date: 3/2/2021

Reference Information

CVE: CVE-2021-20076