Webmin 1.900 allows remote attackers to execute arbitrary code by leveraging the "Java file manager" and "Upload and Download" privileges t…

published 2019-03-07 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-18995

cvss: 7.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 23.7%; EPSS 23.7% chance of exploitation in 30 days, percentile 97%
public exploits: 2; Metasploit, Exploit-DB

Webmin 1.900 allows remote attackers to execute arbitrary code by leveraging the "Java file manager" and "Upload and Download" privileges to upload a crafted .cgi file via the /updown/upload.cgi URI.

Timeline

2019-01-17 First public exploit (Metasploit exploit/unix/webapp/webmin_upload_exec)
2019-03-07 Published

Exploit prediction

23.69% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

Metasploit exploit/unix/webapp/webmin_upload_exec Webmin Upload Authenticated RCE metasploit exploit, excellent rank, 2019-01-17
EDB-46201 Webmin 1.900 - Remote Command Execution (Metasploit) remote, 2019-01-18
pentest.com.tr https://pentest.com.tr/exploits/Webmin-1900-Remote-Command-Execution.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.0	7.8	CVSS:3.0/AV:L/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-269 Improper Privilege Management

References

exploit-db.com /exploits/46201
exploit, third-party-advisory, vdb-entry
pentest.com.tr /exploits/Webmin-1900-Remote-Command-Execution.html
exploit, third-party-advisory
rapid7.com /db/modules/exploit/unix/webapp/webmin_upload_exec
third-party-advisory

Sources

CVE List CVE-2019-9624
NVD CVE-2019-9624

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.

Summary