yiisoft yii2-redis up to 2.0.19 AUTH log file

Summaryinfo

A vulnerability was found in yiisoft yii2-redis up to 2.0.19. It has been rated as problematic. This affects an unknown part of the component AUTH Handler. This manipulation causes log file. The identification of this vulnerability is CVE-2025-48493. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in yiisoft yii2-redis up to 2.0.19 and classified as problematic. Affected by this vulnerability is an unknown function of the component AUTH Handler. The manipulation with an unknown input leads to a log file vulnerability. The CWE definition for the vulnerability is CWE-532. Information written to log files can be of a sensitive nature and give valuable guidance to an attacker or expose sensitive user information. As an impact it is known to affect confidentiality. The summary by CVE is:

The Yii 2 Redis extension provides the redis key-value store support for the Yii framework 2.0. On failing connection, the extension writes commands sequence to logs. Prior to version 2.0.20, AUTH parameters are written in plain text exposing username and password. That might be an issue if attacker has access to logs. Version 2.0.20 fixes the issue.

The advisory is shared at github.com. This vulnerability is known as CVE-2025-48493 since 05/22/2025. The exploitation appears to be easy. The attack can be launched remotely. Additional levels of successful authentication are needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

Upgrading to version 2.0.20 eliminates this vulnerability. Applying the patch 962252d2c57c187181e67bb66da3f27b4698358d is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-17007). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• yiisoft

Name

• yii2-redis

Version

• 2.0.0
• 2.0.1
• 2.0.2
• 2.0.3
• 2.0.4
• 2.0.5
• 2.0.6
• 2.0.7
• 2.0.8
• 2.0.9
• 2.0.10
• 2.0.11
• 2.0.12
• 2.0.13
• 2.0.14
• 2.0.15
• 2.0.16
• 2.0.17
• 2.0.18
• 2.0.19

License

• open-source

Website

• Product: https://github.com/yiisoft/yii2-redis/

CPE 2.3info

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CPE 2.2info

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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