Security readout for executives and security teams
CVE-2021-39608 describes a remote code execution flaw in FlatCore-CMS 2.0.7 involving the upload addon plugin. If exposed, an attacker could run arbitrary PHP code on the web server. Public references exist, but the provided sources do not name a CVSS score, affected CPE, fixed version, or confirmed active exploitation. Exposure is most likely on internet-facing FlatCore-CMS 2.0.7 sites where the upload addon plugin is installed or reachable. The bundle does not confirm other versions or products. Prioritize any internet-facing FlatCore-CMS 2.0.7 instance because successful exploitation could become server-side code execution. Urgency is highest where uploads are public or loosely controlled. Mitigation focus: Inventory FlatCore-CMS deployments and identify version 2.0.7.; Check the upstream GitHub issue and vendor guidance for fixed releases.; Disable or restrict the upload addon plugin if business operations allow..
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
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.
Execution behavior lookup
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.
Open ATT&CK lookupCVE-2021-39608 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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.
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
- https://github.com/flatCore/flatCore-CMS/issues/52CVE reference · x_refsource_MISC
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.