CVE-2024-55504Public exploit

Local code execution via injected dynamic library

Published Jan 21, 2025 · Updated Feb 4, 2025

Code injection in RAR Extractor - Unarchiver Free and Pro 6.4.0 allows local users to execute code through a loaded dylib on macOS. The application executable accepts DYLD_INSERT_LIBRARIES, causing the macOS dynamic linker to load an attacker-supplied exploit_combined.dylib into the app process. Local users with low privileges can access sensitive data available to that process; published evidence establishes no integrity or availability impact.

CVSS severity5.5
Medium
EPSS probability0.56%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Code injection in RAR Extractor - Unarchiver Free and Pro 6.4.0 allows local users to execute code through a loaded dylib on macOS. The application executable accepts DYLD_INSERT_LIBRARIES, causing the macOS dynamic linker to load an attacker-supplied exploit_combined.dylib into the app process. Local users with low privileges can access sensitive data available to that process; published evidence establishes no integrity or availability impact.

The record

CVE
CVE-2024-55504
Published
Jan 21, 2025
Updated
Feb 4, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-94, T1574.006
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 21, 2025CVE publishedPublication date reported by the CVE source.
  2. Feb 4, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

5.5CISA-ADPCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

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.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-94Improper Control of Generation of Code ('Code Injection')
T1574.006Dynamic Linker Hijacking

Public exploit references

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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