VulnerabilityModified
CVE-2020-8821
An Improper Data Validation Vulnerability exists in Webmin 1.941 and earlier affecting the Command Shell Endpoint.
MEDIUM 5.4EPSS 80.2%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 80.2%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.1
- 5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 80.22% probability · 100th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- webmin/webmin
- Source
- cve@mitre.org
References
- https://www.webmin.com/security.htmlVendor Advisory
- https://www.webmin.com/security.htmlVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.