CVE-2020-8821

MEDIUM
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

An Improper Data Validation Vulnerability exists in Webmin 1.941 and earlier affecting the Command Shell Endpoint. A user may enter HTML code into the Command field and submit it. Then, after visiting the Action Logs Menu and displaying logs, the HTML code will be rendered (however, JavaScript is not executed). Changes are kept across users.

References

https://www.webmin.com/security.html

Details

Source: MITRE

Published: 2020-10-12

Updated: 2020-10-16

Type: CWE-74

Risk Information

CVSS v2

Base Score: 3.5

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

Impact Score: 2.9

Exploitability Score: 6.8

Severity: LOW

CVSS v3

Base Score: 5.4

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

Impact Score: 2.7

Exploitability Score: 2.3

Severity: MEDIUM

Vulnerable Software

Configuration 1

OR

cpe:2.3:a:webmin:webmin:*:*:*:*:*:*:*:* versions up to 1.941 (inclusive)

Tenable Plugins

View all (1 total)

IDNameProductFamilySeverity
146531Webmin <= 1.941 Multiple VulnerabilitiesNessusCGI abuses : XSS
medium