CVE intelligence and bounded remediation

CVE-2024-39904 — VNote is a note-taking platform

High CVSS 8.8

VNote is a note-taking platform. Prior to 3.18.1, a code execution vulnerability existed in VNote, which allowed an attacker to execute arbitrary programs on the victim's system. A crafted URI can be used in a note to perform this attack using file:/// as a link. For example, file:///C:/WINDOWS/system32/cmd.exe. This allows attackers to execute arbitrary programs by embedding a reference to a local executable file such as file:///C:/WINDOWS/system32/cmd.exe and file:///C:/WINDOWS/system32/calc.exe. This vulnerability can be exploited by creating and sharing specially crafted notes. An attacker could send a crafted note file and perform further attacks. This vulnerability is fixed in 3.18.1.

Severity
High
CVSS
8.8 (3.1)
Published
2024-07-11
CISA KEV
Not currently listed
Ecosystem
windows/system
Weaknesses
CWE-73

Affected products

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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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