CVE-2020-8821

An Improper Data Validation Vulnerability exists in Webmin 1.941 and earlier affecting the Command Shell Endpoint

published October 12, 2020

Patch now

High probability of exploitation

NVD has not assigned a CVSS score to this record. It sits in the 99.6th percentile for exploit probability.

CVSS
—
EPSS
79%
Percentile
99.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.79056 · 99.6th percentile
Published
2020-10-12T15:54Z
EPSS history
Timeline
  • 12 OCT 15:54Z
    An Improper Data Validation Vulnerability exists in Webmin 1.941 and earlier affecting the Command Shell Endpoint
    cvelistv5