Security readout for executives and security teams
Plain-English summary
ExpertPDF versions 9.5.0 through 14.1.0 are reported to let an attacker read files that the ExpertPDF process can access. Business impact depends on where ExpertPDF runs and whether attackers can influence conversion inputs. Sensitive local files, application secrets, or documents may be exposed.
Executive priority
Treat this as a targeted exposure review rather than a confirmed emergency. Prioritize internet-facing or customer-facing PDF conversion services first, especially where the process can read sensitive files. Escalate if ExpertPDF is exposed to untrusted input and lacks a vendor-supported fix.
Technical view
The CVE describes a local file inclusion/file-read issue in ExpertPDF. Affected versions are 9.5.0 through 14.1.0. The issue allows reading file contents within the permissions of the running ExpertPDF process. The supplied metadata does not include CVSS, CWE, CPEs, or vendor remediation details.
Likely exposure
Exposure is most likely where ExpertPDF 9.5.0 through 14.1.0 is used in automated PDF generation and accepts untrusted or semi-trusted input. Risk increases if the process account can read secrets, configuration files, customer documents, or internal application data.
Exploitation context
The source bundle does not state active exploitation, and the CVE is not marked as CISA KEV. A public technical reference exists, but the provided sources do not establish exploit prevalence, remote reachability, authentication requirements, or a confirmed patched version.
Researcher notes
Evidence is thin: no CVSS, CWE, CPE, exploit status, or vendor fix is present in the supplied bundle. The affected range and behavior come from the CVE description and linked reference. Avoid assuming broader products or deployment modes without local confirmation.
Mitigation direction
- Inventory ExpertPDF usage and identify versions 9.5.0 through 14.1.0.
- Check vendor guidance for fixed versions or supported mitigations.
- Run ExpertPDF with the least file-system privileges possible.
- Isolate PDF conversion from sensitive files and application secrets.
- Restrict untrusted input to PDF generation workflows where feasible.
Validation and detection
- Confirm installed ExpertPDF versions across servers and build artifacts.
- Review whether external users can influence PDF conversion inputs.
- Map the file permissions of the ExpertPDF process account.
- Check for sensitive files readable by that process account.
- Review logs for unusual file access around PDF conversion activity.
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-2020-35340 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://optionalctf.com/cve-2020-35340-local-file-inclusion-in-expertpdf-9-5-0-14-1-0/CVE 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.