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WS-2021-0497

Date: August 19, 2025

ClickHouse JDBC Bridge before 2.0.7 uses slf4j-log4j12 1.7.32, which depends on log4j 1.2.17. It allows a remote attacker to execute code on the server, if you changed default log4j configuration by adding JMSAppender and an insecure JMS broker.

Language: Java

Severity Score

Severity Score

Weakness Type (CWE)

Configuration

CWE-16

Code

CWE-17

Deserialization of Untrusted Data

CWE-502

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

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