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Explorer\+\+Application · Explorerplusplus

CVE-2024-0645

HIGH · 7.8 CVSS v3.1 Published 2024-01-17
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
80/100
Remediation priority · High
Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
Buffer overflow vulnerability in Explorer++ affecting version 1.3.5.531. A local attacker could execute arbitrary code via a long filename argument by monitoring Structured Exception Handler (SEH) records.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · moderate confidence

Buffer overflow in Explorer++ v1.3.5.531 allows local attackers to execute arbitrary code by supplying an excessively long filename argument. The overflow overwrites Structured Exception Handler (SEH) records on the stack, enabling the attacker to redirect execution flow.

MitigationUpgrade to a patched version of Explorer++ when available. As a workaround, avoid processing files with unusually long names from untrusted sources until the vulnerability is remediated.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Explorer\+\+Application
Affected:= 1.3.5.531

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify installed Explorer++ version
    Open Explorer++ and go to Help > About, or check the executable file properties (right-click on explorer++.exe > Properties > Details) to view the Product Version
    Affected if the installed version is exactly 1.3.5.531
  2. Verify executable file path
    Locate the explorer++.exe file on the system and note its location
    Affected if the executable is from a version matching 1.3.5.531 (typically in Program Files or a user-specified directory)

You are affected if Explorer++ version 1.3.5.531 is installed and the application processes filenames supplied by user-controlled sources (the vulnerability triggers when an excessively long filename argument is provided to the application).

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

From vendor data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Upgrade to a patched version of Explorer++ when available. As a workaround, avoid processing files with unusually long names from untrusted sources until the vulnerability is remediated.

Fix this in Explorer\+\+ Scoped from the published advisory
  • Consultation3.0 h
  • Implementation6.0 h
  • Testing3.0 h
  • Review / QA2.0 h
14.0 hours of engineering $2,490
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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2024-0645 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data