CVE-2021-20076

high
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

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.

References

https://www.tenable.com/security/tns-2021-03

Details

Source: MITRE

Published: 2021-03-03

Updated: 2021-03-10

Type: CWE-502

Risk Information

CVSS v2

Base Score: 6.5

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

Impact Score: 6.4

Exploitability Score: 8

Severity: MEDIUM

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 2.8

Severity: HIGH

Vulnerable Software

Configuration 1

OR

cpe:2.3:a:tenable:tenable.sc:*:*:*:*:*:*:*:* versions from 5.13.0 to 5.17.0 (inclusive)

Tenable Plugins

View all (1 total)

IDNameProductFamilySeverity
146962Tenable SecurityCenter 5.13.0 - 5.17.0 Remote Code Execution (TNS-2021-03)NessusMisc.
high