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."
Conclusion & alert: CVE-2019-15642 is rated High Exploit Risk (85.6/100): CVSS High severity, with high exploitation likelihood (EPSS 92.93%, 100th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-02-14 | 92.50% | 92.93% | +0.43% |
| 2 | 2025-12-02 | 91.42% | 92.50% | +1.08% |
| 3 | 2025-11-30 | — | 91.42% | — |
Full EPSS history (25 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.0 | HIGH |
|
2.8 | 5.9 | [email protected] |
| 6.5 | 2.0 | MEDIUM |
|
8.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
ubuntu
|
medium | CVE-2019-15642 medium priority: Ubuntu including 1 source packages (webmin), 5 status rows across 5 suites (bionic, disco, trusty, upstream, xenial): DNE 4, needs-triage 1. | https://ubuntu.com/security/CVE-2019-15642 |
| URL | Tags |
|---|---|
| https://doxfer.webmin.com/Webmin/Webmin_Servers_Index | Vendor Advisory |
| https://github.com/webmin/webmin/blob/ab5e00e41ea1ecc1e24b8f8693f3495a0abb1aed/rpc.cgi#L26-L37 | Patch |
| https://github.com/webmin/webmin/commit/df8a43fb4bdc9c858874f72773bcba597ae9432c | Patch |
| https://www.calypt.com/blog/index.php/authenticated-rce-on-webmin/ | Exploit Patch Third Party Advisory |