CVE-2022-23307

CVE-2022-23307: A deserialization flaw in the Chainsaw component of Log4j 1 can lead to malicious code execution.

Vendor Apache Software Foundation
Product Apache Log4j 1.x
Weakness CWE-502 · Unsafe deserialization
Published January 18, 2022
Last update May 27, 2026
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CVSS base score

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What the vulnerability does

01Description

CVE-2020-9493 identified a deserialization issue that was present in Apache Chainsaw. Prior to Chainsaw V2.0 Chainsaw was a component of Apache Log4j 1.2.x where the same issue exists.

Key dates

02Disclosure timeline

January 18, 2022 CVE published
May 27, 2026 Record updated