RCE in Webmin
CVE-2019-15107
An issue was discovered in Webmin <=1.920. The parameter old in password_change.cgi contains a command injection vulnerability.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.997 (100.0th percentile), scored .
Very high probability of exploitation in the next 30 days — among the top 0.1% most-likely-to-be-exploited CVEs. 100th percentile — 100.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.997 · newest: 0.997 · change: 0.000
Affected products
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Known ransomware campaign use: yes.
Public proof-of-concept exploits
References
- www.webmin.com/security.html (Vendor Advisory)
- www.exploit-db.com/exploits/47230 (Exploit, VDB Entry, Third Party Advisory)
- www.pentest.com.tr/exploits/DEFCON-Webmin-1920-Unauthenticated-Remote-Command-E… (Exploit, Third Party Advisory)
- packetstormsecurity.com/files/154141/Webmin-Remote-Comman-Execution.html (Exploit, VDB Entry, Third Party Advisory)
- packetstormsecurity.com/files/154141/Webmin-1.920-Remote-Command-Execution.html (Exploit, VDB Entry, Third Party Advisory)
- packetstormsecurity.com/files/154197/Webmin-1.920-password_change.cgi-Backdoor… (Exploit, VDB Entry, Third Party Advisory)
- packetstormsecurity.com/files/154485/Webmin-1.920-Remote-Code-Execution.html (VDB Entry, Third Party Advisory)
- attackerkb.com/topics/hxx3zmiCkR/webmin-password-change-cgi-command-injection (Third Party Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2019-15107?
- CVE-2019-15107 is a critical-severity vulnerability in Webmin, classified under OS Command Injection. CVSS score: 9.8/10. Published 2019-08-16.
- How severe is CVE-2019-15107?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2019-15107 known to be exploited?
- Yes. CVE-2019-15107 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-25), indicating it is being actively exploited. 170 public proof-of-concept repositories are indexed.