CVE-2021-31762

Name: CVE-2021-31762
Creator: NVD / NIST
Published: 2021-04-25T19:15:08.24+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 8.78%

Last modified Jun 17, 2026

CVE-2021-31762 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Webmin 1.973 is affected by Cross Site Request Forgery (CSRF) to create a privileged user through Webmin's add users feature, and then get a reverse shell through Webmin's running process feature.. EPSS estimates a 8.78% chance of exploitation in the next 30 days.

Description

Webmin 1.973 is affected by Cross Site Request Forgery (CSRF) to create a privileged user through Webmin's add users feature, and then get a reverse shell through Webmin's running process feature.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

8.78%

94.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-352

Affected Software

Vendor	Product	Versions
Webmin	Webmin	1.973

References

http://packetstormsecurity.com/files/163492/Webmin-1.973-Cross-Site-Request-Forgery.htmlExploit, Third Party Advisory, VDB Entry
https://github.com/Mesh3l911/CVE-2021-31762Exploit, Third Party Advisory
https://github.com/electronicbots/CVE-2021-31762Exploit, Third Party Advisory
https://github.com/webmin/webminProduct, Third Party Advisory
https://youtu.be/qCvEXwyaF5UExploit, Third Party Advisory
http://packetstormsecurity.com/files/163492/Webmin-1.973-Cross-Site-Request-Forgery.htmlExploit, Third Party Advisory, VDB Entry
https://github.com/Mesh3l911/CVE-2021-31762Exploit, Third Party Advisory
https://github.com/electronicbots/CVE-2021-31762Exploit, Third Party Advisory
https://github.com/webmin/webminProduct, Third Party Advisory
https://youtu.be/qCvEXwyaF5UExploit, Third Party Advisory

Timeline

Published: Apr 25, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-31762?

Webmin 1.973 is affected by Cross Site Request Forgery (CSRF) to create a privileged user through Webmin's add users feature, and then get a reverse shell through Webmin's running process feature.

How severe is CVE-2021-31762?

CVE-2021-31762 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 8.78% probability of exploitation in the next 30 days.

How do I fix CVE-2021-31762?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-31762?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST