CVE-2022-23307

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

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.

Remediation

Workaround:

  • Upgrade to Apache Log4j 2 and Apache Chainsaw 2.1.0.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.62%
Vendor Advisory apache.org Vendor Advisory apache.org
Affected: Apache Software Foundation Apache Log4j 1.x
Published at:
Updated at:

References

Link Tags
https://logging.apache.org/log4j/1.2/index.html vendor advisory
https://lists.apache.org/thread/rg4yyc89vs3dw6kpy3r92xop9loywyhh mailing list vendor advisory
https://www.oracle.com/security-alerts/cpuapr2022.html third party advisory patch
https://www.oracle.com/security-alerts/cpujul2022.html third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2022-23307?
CVE-2022-23307 has been scored as a high severity vulnerability.
How to fix CVE-2022-23307?
As a workaround for remediating CVE-2022-23307: Upgrade to Apache Log4j 2 and Apache Chainsaw 2.1.0.
Is CVE-2022-23307 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-23307 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-23307?
CVE-2022-23307 affects Apache Software Foundation Apache Log4j 1.x.
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