CVE-2024-0645

Local code execution via overlong filename argument

Published Jan 17, 2024 · Updated Sep 10, 2024

Buffer overflow in Explorer++ 1.3.5.531 allows local users to execute arbitrary code through an overlong filename argument. The legacy command-line handler fails to bound the filename argument, allowing control of Structured Exception Handler records and redirection of execution. Exploitation requires local low-privileged access and user interaction; successful exception-chain control runs code in the Explorer++ process.

CVSS severity7.3
High
EPSS probability0.19%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Buffer overflow in Explorer++ 1.3.5.531 allows local users to execute arbitrary code through an overlong filename argument. The legacy command-line handler fails to bound the filename argument, allowing control of Structured Exception Handler records and redirection of execution. Exploitation requires local low-privileged access and user interaction; successful exception-chain control runs code in the Explorer++ process.

The record

CVE
CVE-2024-0645
Published
Jan 17, 2024
Updated
Sep 10, 2024
Vendor
Explorerplusplus
Product
Explorer++
Classifications
CWE-120, CWE-119, T1203
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 17, 2024CVE publishedPublication date reported by the CVE source.
  2. Sep 10, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.3.5.531

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Explorerplusplus · Explorer++version=1.3.5.531

Published CVSS scores

7.8NISTCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.3INCIBE-CERTCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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