Security readout for executives and security teams
Plain-English summary
Webmin versions through 1.920 contain a remotely reachable command-injection flaw in the password-change function. An unauthenticated attacker could potentially take full control of an exposed system, including stealing data, changing configurations, or disrupting services. CISA lists the vulnerability as known exploited, making exposed installations an urgent business risk.
Executive priority
Treat as an immediate remediation and compromise-assessment priority for internet-exposed systems. Its unauthenticated remote impact, critical CVSS score, and CISA known-exploited status create a credible risk of complete server compromise. Internally restricted instances remain important but can follow exposed systems in prioritization.
Technical view
The old parameter in Webmin's password_change.cgi is vulnerable to OS command injection (CWE-78). CVSS 3.1 rates it 9.8: network-accessible, low complexity, no privileges or user interaction required, with high confidentiality, integrity, and availability impact. The supplied description identifies Webmin versions through 1.920 as affected.
Likely exposure
Highest exposure exists where Webmin 1.920 or earlier is installed and its password-change interface is network reachable, particularly from the internet. The supplied structured affected-product metadata is incomplete, but the CVE description explicitly identifies Webmin through version 1.920.
Exploitation context
CISA's Known Exploited Vulnerabilities status supports active exploitation in the wild. Public Exploit-DB and AttackerKB references also indicate that exploitation information is publicly available. The bundle does not establish current campaign scope, targeted sectors, or exploitation frequency.
Researcher notes
The source bundle clearly identifies command injection in password_change.cgi's old parameter and versions through 1.920. CVSS indicates unauthenticated remote attackability. However, supplied affected-product fields are marked n/a, and no vendor advisory, corrected version, configuration prerequisite, detection signature, or campaign detail is included. Validate remediation specifics against current official vendor guidance.
Mitigation direction
Identify and prioritize every Webmin installation running version 1.920 or earlier.
Restrict Webmin access to trusted administrative networks while remediation is pending.
Check official Webmin guidance for the corrected release and approved remediation.
Upgrade affected installations according to vendor guidance, then confirm service health.
Investigate exposed affected systems for signs of compromise.
Validation and detection
Inventory Webmin versions and record whether each management interface is internet reachable.
Confirm no installation remains on version 1.920 or earlier after remediation.
Verify network controls limit Webmin access to authorized administrative sources.
Review relevant Webmin, web server, process, and security logs for suspicious activity.
Use non-destructive authenticated checks to confirm the deployed version and configuration.
The source record changed after analysis: Material source record changed after analysis.
Potential ATT&CK relevance
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
cwe · medium confidence lookup
CWE-78: Command execution behavior lookup
Command injection weaknesses can lead defenders to review execution techniques and command interpreter telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
Exploitation: activeAutomatable: yesTechnical Impact: total
CVSS vector scores
1 official score
We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
CWE-78 · source CWE mapping
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.