CVE-2020-15148
HIGH8.9EPSS 93.4%Unsafe deserialization in Yii 2
Published: 9/15/2020Modified: 3/13/2026
Description
### Impact Remote code execution in case application calls `unserialize()` on user input containing specially crafted string. ### Patches 2.0.38 ### Workarounds Add the following to BatchQueryResult.php: ```php public function __sleep() { throw new \BadMethodCallException('Cannot serialize '.__CLASS__); } public function __wakeup() { throw new \BadMethodCallException('Cannot unserialize '.__CLASS__); } ``` ### For more information If you have any questions or comments about this advisory, [contact us through security form](https://www.yiiframework.com/security).
Affected packages (1)
- Packagist/yiisoft/yii2from 0, < 2.0.38
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:H |
References (5)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2020-15148
- WEBhttps://github.com/FriendsOfPHP/security-advisories/blob/master/yiisoft/yii2/CVE-2020-15148.yaml
- WEBhttps://github.com/yiisoft/yii2/commit/9abccb96d7c5ddb569f92d1a748f50ee9b3e2b99
- WEBhttps://github.com/yiisoft/yii2/security/advisories/GHSA-699q-wcff-g9mj
- WEBhttps://www.yiiframework.com/news/303/yii-2-0-38