yiisoft yiisoft/yii2

Name: yiisoft yiisoft/yii2
Brand: yiisoft

productEU

A product tracked in the threat graph; the vulnerabilities below are known to affect it.

KEV-listed

public exploit

by severity

1critical1high1medium0low

updated 2026-10-28

vulnerabilities (3)

Related CVEs.

sort

ID	severity	EPSS	exploitable	patched	published	affected
CVE-2024-4990US	critical9.1	80.2% (100th)	—	no fix	2025-03-20	≤ unspecified ≤latest
CVE-2021-3689US	high7.5OT elevated	1.90% (80th)	—	no fix	2021-08-10	≤ unspecified ≤2.0.42.1
CVE-2021-3692US	medium5.3OT elevated	1.70% (77th)	—	no fix	2021-08-10	≤ unspecified ≤2.0.42.1

The flaw types (CWEs) most of these CVEs share.

CWE-1241Use of Predictable Algorithm in Random Number Generator2 CVEs
CWE-330Use of Insufficiently Random Values2 CVEs
CWE-338Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)1 CVEs
CWE-470Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')1 CVEs

Which sources assert this record, and when.

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