CVE-2022-23307

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

CVSS 8.8 HIGHEPSS 52.5%CWE-502

Vexday Risk Score

33Attention

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.8EPSS 52.5%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

18 Jan 2022Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Apache Software Foundation · Apache Log4j 1.x

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References

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