Security readout for executives and security teams
Plain-English summary
Foxit PDF Reader and PDF Editor versions before 11.0.1 contain a flaw that can allow arbitrary file writes through submitForm behavior. For executives, the concern is endpoint integrity: outdated PDF software may let a crafted document alter files. The sources do not provide CVSS, exploitation evidence, or detailed impact boundaries.
Executive priority
Treat this as a timely endpoint patching issue, not an emergency based on current evidence. Prioritize discovery and upgrade of old Foxit installations, especially on user workstations exposed to external documents.
Technical view
CVE-2021-38565 affects Foxit PDF Reader before 11.0.1 and PDF Editor before 11.0.1. The reported issue allows writing to arbitrary files via submitForm. The provided sources do not name a CWE, attack vector, privilege requirements, or confirmed exploit activity.
Likely exposure
Exposure is limited to environments with Foxit PDF Reader or PDF Editor installed below version 11.0.1. Risk is higher on endpoints that process documents from external or untrusted sources. Evidence is insufficient to claim server-side, cloud, or other Foxit product exposure.
Exploitation context
CISA KEV is false in the supplied bundle, and no cited source reports active exploitation. The public description confirms an arbitrary file write condition, but does not provide exploit maturity, attacker prerequisites, or whether user interaction is required.
Researcher notes
The record is sparse: no CVSS, CWE, exploit status, or detailed advisory text is included in the bundle. Analysis should stay anchored to arbitrary file write via submitForm and affected Foxit versions before 11.0.1.
Mitigation direction
- Upgrade Foxit PDF Reader and PDF Editor to version 11.0.1 or later.
- Check Foxit security bulletins for vendor-specific remediation guidance.
- Remove or quarantine unsupported Foxit installations below 11.0.1.
- Prioritize endpoints that open external PDFs or PDF forms.
- Use endpoint controls to reduce exposure to untrusted document handling.
Validation and detection
- Inventory installed Foxit PDF Reader and PDF Editor versions across endpoints.
- Flag any installation reporting a version earlier than 11.0.1.
- Confirm remediation by rechecking installed versions after upgrade.
- Review Foxit security bulletins for any additional affected-version detail.
- Monitor endpoint alerts for unusual file modifications involving PDF workflows.
Public sources used
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.
CVE-2021-38565 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://www.foxitsoftware.com/support/security-bulletins.phpCVE 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.