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CVE-2020-15148

HIGH
Published 2020-09-15T18:25:12
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Expert Analysis

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CVSS Score

V3.1
8.9
/10
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.917
probability
of exploitation in the wild

There is a 91.7% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.997
Higher than 99.7% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED

Impact Metrics

Confidentiality
LOW
Integrity
HIGH
Availability
HIGH

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

yiisoft

yii2

Affected Versions:

< 2.0.38

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed HIGH

Unsafe deserialization in Yii 2

GHSA-699q-wcff-g9mj

Advisory Details

### 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

Packagist yiisoft/yii2
ECOSYSTEM: ≥0 <2.0.38

CVSS Scoring

CVSS Score

7.5

CVSS Vector

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

References

WEB https://github.com/yiisoft/yii2/security/advisories/GHSA-699q-wcff-g9mj
ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2020-15148
WEB https://github.com/yiisoft/yii2/commit/9abccb96d7c5ddb569f92d1a748f50ee9b3e2b99
WEB https://github.com/FriendsOfPHP/security-advisories/blob/master/yiisoft/yii2/CVE-2020-15148.yaml
WEB https://www.yiiframework.com/news/303/yii-2-0-38

Advisory provided by GitHub Security Advisory Database. Published: September 15, 2020, Modified: January 7, 2021

References

https://github.com/yiisoft/yii2/security/advisories/GHSA-699q-wcff-g9mj
https://github.com/yiisoft/yii2/commit/9abccb96d7c5ddb569f92d1a748f50ee9b3e2b99
Published: 2020-09-15T18:25:12
Last Modified: 2024-08-04T13:08:21.907Z
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