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Fencer Vulns
high 8.8

CVE-2021-31762 json

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…

published 2021-04-25 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-18646

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
8.8%
EPSS 8.8% chance of exploitation in 30 days, percentile 95%
public exploits
1
Exploit-DB

Summary

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.

Timeline

  1. Published
  2. First public exploit (EDB-50126)

Exploit prediction

8.78% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-50126 Webmin 1.973 - 'save_user.cgi' Cross-Site Request Forgery (CSRF) webapps, 2021-07-14
  • youtu.be https://youtu.be/qCvEXwyaF5U referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/Mesh3l911/CVE-2021-31762 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/electronicbots/CVE-2021-31762 referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/163492/Webmin-1.973-Cross-Site-Request-Forgery.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-352 Cross-Site Request Forgery

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.