RCE in Webmin

CVE-2019-12840

In Webmin through 1.910, any user authorized to the "Package Updates" module can execute arbitrary commands with root privileges via the data parameter to update.cgi.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.778 (99.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-12840?
CVE-2019-12840 is a high-severity vulnerability in Webmin, classified under OS Command Injection. CVSS score: 8.8/10. Published 2019-06-15.
How severe is CVE-2019-12840?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2019-12840 known to be exploited?
22 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.