CVE-2020-15148
Unsafe deserialization in Yii 2
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).
How to fix CVE-2020-15148
To remediate CVE-2020-15148, upgrade the affected package to a fixed version below.
- —upgrade to 2.0.38 or later
Is CVE-2020-15148 being exploited?
Likely — EPSS is 93.4%, placing CVE-2020-15148 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (1)
- from 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 |