Security readout for executives and security teams
Subrion CMS 4.2.1 had a CSRF flaw that could let an attacker trick a logged-in administrator into triggering server-side file deletion. The attacker needs the victim to be authenticated and to visit attacker-controlled content. Public sources do not provide a CVSS score or confirmed fixed version. Exposure is limited to organizations running Subrion CMS 4.2.1 with authenticated administrative users and reachable panel functionality. The source bundle does not identify other affected versions or products. Treat this as a targeted web administration risk, not a confirmed emergency. Prioritize confirmation of Subrion 4.2.1 use, administrative exposure, and vendor remediation status because successful abuse could remove server files. Mitigation focus: Identify and prioritize any Subrion CMS 4.2.1 deployments.; Check Subrion project or vendor guidance for fixed versions or official mitigations.; Restrict CMS administrative panel access to trusted networks or VPN..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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Credential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2019-20390 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.