RCE in Webmin
CVE-2019-15642
rpc.cgi in Webmin through 1.920 allows authenticated Remote Code Execution via a crafted object name because unserialise_variable makes an eval call. NOTE: the Webmin_Servers_Index documentation states "RPC can be used to run any command or modify any file on a server, which is why access to it must not be granted to un-trusted Webmin users."
Vulnerability class: RCE (Remote Code Execution)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.348 (98.4th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.348 · newest: 0.348 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.calypt.com/blog/index.php/authenticated-rce-on-webmin/ (Exploit, Patch, Third Party Advisory)
- github.com/webmin/webmin/commit/df8a43fb4bdc9c858874f72773bcba597ae9432c (Patch)
- github.com/webmin/webmin/blob/ab5e00e41ea1ecc1e24b8f8693f3495a0abb1aed/rpc.cgi (Patch)
- doxfer.webmin.com/Webmin/Webmin_Servers_Index (Vendor Advisory)
Frequently asked questions
- What is CVE-2019-15642?
- CVE-2019-15642 is a high-severity vulnerability in Webmin, classified under Code Injection. CVSS score: 8.8/10. Published 2019-08-26.
- How severe is CVE-2019-15642?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2019-15642 known to be exploited?
- 43 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.