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

high Nessus Plugin ID 146962


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


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.


See Tenable advisory.

See Also


Plugin Details

Severity: High

ID: 146962

File Name: securitycenter_5_17_0_tns_2021_03.nasl

Version: 1.11

Type: combined

Agent: unix

Family: Misc.

Published: 3/3/2021

Updated: 11/7/2023

Supported Sensors: Nessus Agent, Nessus

Risk Information


Risk Factor: Medium

Score: 5.9


Risk Factor: Medium

Base Score: 6.5

Temporal Score: 4.8

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

CVSS Score Source: CVE-2021-20076


Risk Factor: High

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: CVSS:3.0/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