Deserialization Issue in Yii Framework by Yii Software LLC
CVE-2025-2690

5.3MEDIUM

Key Information:

Vendor

Yiisoft

Status
Yii2
Vendor
CVE Published:
24 March 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-2690?

A vulnerability has been identified in the Yii Framework, specifically in the Generate function located in the MockClass.php file. The flaw allows for improper deserialization, which can potentially be exploited by remote attackers to execute unauthorized actions. This issue affects multiple versions of the Yii Framework up to 2.0.39, necessitating immediate attention to mitigate risks associated with unauthorized data manipulation.

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Affected Version(s)

Yii2 2.0.0

Yii2 2.0.1

Yii2 2.0.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-2690 - Proof of Concept

References

https://vuldb.com/?id.300711
vdb-entrytechnical-description
https://vuldb.com/?ctiid.300711
signaturepermissions-required
https://vuldb.com/?submit.521718
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

gaorenyusi (VulDB User)
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