What is CVE-2024-4990?

CVE-2024-4990 is a high-severity vulnerability in Yiisoft Yiisoft/yii2, classified under Use of Externally-Controlled Input to Select Classes or Code (Unsafe Reflection). CVSS score: 8.1/10. Published 2025-03-20.

How severe is CVE-2024-4990?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Yiisoft Yiisoft/yii2

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 instanti…

EPSS: 0.002 (41.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Yiisoft Yiisoft/yii2 — versions unspecified

Weakness classification (CWE)

CWE-470 — Use of Externally-Controlled Input to Select Classes or Code (Unsafe Reflection)

References

huntr.com/bounties/4fbdd965-02b6-42e4-b57b-f98f93415b8f

Frequently asked questions

What is CVE-2024-4990?: CVE-2024-4990 is a high-severity vulnerability in Yiisoft Yiisoft/yii2, classified under Use of Externally-Controlled Input to Select Classes or Code (Unsafe Reflection). CVSS score: 8.1/10. Published 2025-03-20.
How severe is CVE-2024-4990?: High severity. CVSS v3 base score is 8.1 out of 10.