CVE-2020-15148

CriticalCVSS 10.0/10Last modified Jun 17, 2026

Description

Yii 2 (yiisoft/yii2) before version 2.0.38 is vulnerable to remote code execution if the application calls `unserialize()` on arbitrary user input. This is fixed in version 2.0.38. A possible workaround without upgrading is available in the linked advisory.

Metrics

CVSS 3.1 10.0/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-502

Affected software

Vendor	Product	Versions
yiisoft	yii2	< 2.0.38

References

https://github.com/yiisoft/yii2/commit/9abccb96d7c5ddb569f92d1a748f50ee9b3e2b99Patch, Third Party Advisory
https://github.com/yiisoft/yii2/security/advisories/GHSA-699q-wcff-g9mjMitigation, Third Party Advisory
https://github.com/yiisoft/yii2/commit/9abccb96d7c5ddb569f92d1a748f50ee9b3e2b99Patch, Third Party Advisory
https://github.com/yiisoft/yii2/security/advisories/GHSA-699q-wcff-g9mjMitigation, Third Party Advisory

Timeline

Published: Sep 15, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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