CVE intelligence and bounded remediation

CVE-2020-11431 — Inetsoftware Clear Reports security vulnerability

Critical CVSS 9.1

The documentation component in i-net Clear Reports 16.0 to 19.2, HelpDesk 8.0 to 8.3, and PDFC 4.3 to 6.2 allows a remote unauthenticated attacker to read arbitrary system files and directories on the target server via Directory Traversal.

Severity
Critical
CVSS
9.1 (3.1)
Published
2020-05-07
CISA KEV
Not currently listed
Ecosystem
software/application
Weaknesses
CWE-22

Affected products

  • inetsoftware / clear_reports
  • inetsoftware / helpdesk
  • inetsoftware / pdfc

Matched remediation archetype

Path traversal, unsafe upload, and file handling

This catalog composition supplies bounded fallback guidance. Explicitly reviewed curated workflows load with the complete record below.

Check exposure

  • Trace untrusted filenames, archive entries, URLs, and path segments into read, write, include, extraction, and upload operations.
  • Identify filesystem roots, mount permissions, symbolic-link behavior, archive handling, and whether uploaded content is web-accessible or executable.
  • Review canonicalization and containment checks across supported operating systems and storage backends.

Remediate safely

  • Generate server-side storage identifiers and resolve paths beneath a fixed root using filesystem-aware containment checks.
  • Reject absolute, parent-relative, alternate-separator, device, link, and archive entries that escape the intended root.
  • Store uploads outside executable or served paths, validate type and size, and use private atomic temporary files.

Authoritative sources

Complete CVE record and remediation plan

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