Craft CMS Remote Code Execution Vulnerability via PHP register_argc_argv
CVE-2024-56145 Published on December 18, 2024
RCE when PHP `register_argc_argv` config setting is enabled in craftcms/cms
Craft is a flexible, user-friendly CMS for creating custom digital experiences on the web and beyond. Users of affected versions are affected by this vulnerability if their php.ini configuration has `register_argc_argv` enabled. For these users an unspecified remote code execution vector is present. Users are advised to update to version 3.9.14, 4.13.2, or 5.5.2. Users unable to upgrade should disable `register_argc_argv` to mitigate the issue.
Known Exploited Vulnerability
This Craft CMS Code Injection Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Craft CMS contains a code injection vulnerability. Users with affected versions are vulnerable to remote code execution if their php.ini configuration has `register_argc_argv` enabled.
The following remediation steps are recommended / required by June 23, 2025: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Vulnerability Analysis
CVE-2024-56145 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors in an automatable fashion. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.
Weakness Type
What is a Code Injection Vulnerability?
The software constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
CVE-2024-56145 has been classified to as a Code Injection vulnerability or weakness.
Products Associated with CVE-2024-56145
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Affected Versions
craftcms cms:- Version >= 4.0.0-RC1, < 4.13.2 is affected.
- Version >= 5.0.0-RC1, < 5.5.2 is affected.
- Version >= 3.0.0, < 3.9.14 is affected.
Vulnerable Packages
The following package name and versions may be associated with CVE-2024-56145
| Package Manager | Vulnerable Package | Versions | Fixed In |
|---|---|---|---|
| composer | craftcms/cms | >= 5.0.0-RC1, < 5.5.2 | 5.5.2 |
| composer | craftcms/cms | >= 4.0.0-RC1, < 4.13.2 | 4.13.2 |
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.