Vulnerability in Yiiframework Yii
CVE-2024-4990
In yiisoft/yii2 version 2.0.48, the base Component class contains a vulnerability where the `__set()` magic method does not validate that the value passed is a valid Behavior class name or configuration. This allows an attacker to instantiate arbitrary classes, passing parameters to their constructors and invoking setter methods. Depending on the installed dependencies, various types of attacks are possible, including the execution of arbitrary code, retrieval of sensitive information, and unauthorized access.
EPSS: 0.802 (99.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.
Affected products
- Yiiframework Yii — versions 2.0.48
- Yiisoft Yiisoft/yii2 — versions unspecified
Weakness classification (CWE)
References
- security@huntr.dev (Exploit)
Frequently asked questions
- What is CVE-2024-4990?
- CVE-2024-4990 is a critical-severity vulnerability in Yiiframework Yii, classified under Use of Externally-Controlled Input to Select Classes or Code (Unsafe Reflection). CVSS score: 9.1/10. Published 2025-03-20.
- How severe is CVE-2024-4990?
- Critical severity. CVSS v3 base score is 9.1 out of 10.