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PatchSiren cyber security CVE debrief

CVE-2019-15107 Webmin CVE debrief

CVE-2019-15107 is a Webmin command injection vulnerability that CISA has added to its Known Exploited Vulnerabilities catalog. Because it is known to be exploited, defenders should treat patching and exposure review as urgent, especially for any Webmin deployment used for administrative access.

Vendor
Webmin
Product
Webmin
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2022-03-25
Original CVE updated
2022-03-25
Advisory published
2022-03-25
Advisory updated
2022-03-25

Who should care

Webmin administrators, IT operations teams, security teams, and managed service providers responsible for systems running Webmin. Prioritize environments where the Webmin management interface is reachable from networks beyond a tightly controlled admin segment.

Technical summary

The issue is described as a command injection vulnerability in Webmin. In practical terms, command injection flaws can allow unintended operating-system commands to be executed through the application’s input handling. The supplied corpus does not include affected version ranges, prerequisites, or a vendor advisory, so validate the installed Webmin release against official guidance before assuming exposure.

Defensive priority

Immediate

Recommended defensive actions

  • Apply updates per vendor instructions as soon as possible.
  • Inventory all Webmin instances and verify whether any are exposed beyond trusted administrative networks.
  • Restrict access to the Webmin management interface using strong network controls such as allowlists or VPN-only access.
  • Review authentication, access, and system logs for signs of unexpected activity around Webmin administration.
  • Confirm the installed Webmin version and compare it with official CVE/NVD guidance to determine exposure scope.
  • Track remediation against the CISA KEV due date of 2022-04-15 for this issue.

Evidence notes

This debrief is based only on the supplied CISA KEV source item and the official CVE.org and NVD links provided in the corpus. CISA lists the vulnerability as known to be exploited and identifies the required action as applying updates per vendor instructions. The supplied data does not provide a CVSS score, affected-version details, or a vendor advisory link.

Official resources

Publicly listed in the supplied corpus on 2022-03-25, including CISA KEV publication with a due date of 2022-04-15. No exploit code, weaponized reproduction, or unsupported technical details are included here.