CVE-2022-23307

A deserialization flaw in the Chainsaw component of Log4j 1 can lead to malicious code execution.

State: Published
Severity: 8.8 High
Published: Jan 18, 2022
Updated: May 27, 2026
Reserved: Jan 17, 2022

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-502 Deserialization of Untrusted Data

Affected Products

Product	Versions
Apache Log4j 1.xApache Software Foundation	1.2.1 to before unspecifiedAffected 2.0-alpha1 and earlierAffected

References

https://logging.apache.org/log4j/1.2/index.html
https://lists.apache.org/thread/rg4yyc89vs3dw6kpy3r92xop9loywyhh
https://www.oracle.com/security-alerts/cpuapr2022.html
https://www.oracle.com/security-alerts/cpujul2022.html

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