Skip to content
Fencer Intel
critical 9.8

CVE-2019-15107 kev+ ransomware in the critical feed json

An issue was discovered in Webmin <=1.920.

published 7y ago modified 3mo ago also EUVD-2019-6178

cvss
9.8
version 3.1, CNA
cisa kev
Exploited
added 2022-03-25, used in ransomware
epss
99.7%
EPSS 99.7% chance of exploitation in 30 days, percentile 99.9%
public exploits
3
Metasploit and Exploit-DB, plus a Nuclei check

Summary

An issue was discovered in Webmin <=1.920. The parameter old in password_change.cgi contains a command injection vulnerability.

Patch / fix

cisa required action Apply updates per vendor instructions.

Is CVE-2019-15107 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Timeline

  1. First public exploit (Metasploit exploit/linux/http/webmin_backdoor)
  2. Published
  3. CISA SSVC: exploitation active
  4. Added to CISA KEV
  5. CISA patch deadline

Known exploited

Added
4y ago
Patch by
2022-04-15 (4y ago)
Ransomware
Known to be used in ransomware campaigns
Required action
Apply updates per vendor instructions.
Vendor, product
Webmin, Webmin
CISA name
Webmin Command Injection Vulnerability

CISA SSVC

Exploitation
Active, exploited in the wild
Automatable
yes
Technical impact
total
Assessed
4y ago

Exploit prediction

99.71% chance of exploitation in the next 30 days, higher than 99.9% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • Metasploit exploit/linux/http/webmin_backdoor Webmin password_change.cgi Backdoor metasploit exploit, excellent rank, 2019-08-10
  • EDB-47293 Webmin 1.920 - Remote Code Execution webapps, 2019-08-19
  • EDB-47230 Webmin 1.920 - Unauthenticated Remote Code Execution (Metasploit) remote, 2019-08-12
  • Nuclei template Webmin <= 1.920 - Unauthenticated Remote Command Execution nuclei detection template
  • pentest.com.tr http://www.pentest.com.tr/exploits/DEFCON-Webmin-1920-Unauthenticated-Remote-Command-Execution.html referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/154141/Webmin-Remote-Comman-Execution.html referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/154141/Webmin-1.920-Remote-Command-Execution.html referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/154197/Webmin-1.920-password_change.cgi-Backdoor.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

Sources

Fencer Intel 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.