CSRF in Webmin
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.
Vulnerability class: CSRF (Cross-Site Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.088 (95.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.088 · newest: 0.088 · change: 0.000
Affected products
- Webmin — versions 1.973
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/webmin/webmin (Product, Third Party Advisory)
- youtu.be/qCvEXwyaF5U (Exploit, Third Party Advisory)
- github.com/Mesh3l911/CVE-2021-31762 (Exploit, Third Party Advisory)
- github.com/electronicbots/CVE-2021-31762 (Exploit, Third Party Advisory)
- packetstormsecurity.com/files/163492/Webmin-1.973-Cross-Site-Request-Forgery.ht… (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-31762?
- CVE-2021-31762 is a high-severity vulnerability in Webmin, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2021-04-25.
- How severe is CVE-2021-31762?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2021-31762 known to be exploited?
- 12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.