CVE-2020-9493

A deserialization flaw was found in Apache Chainsaw versions prior to 2.1.0 which could lead to malicious code execution.

CVSS 3.1

9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

4.6% chance of exploitation in the next 30 days; higher than 91% of CVEs (scores of 2026-10-25)

CWE

CWE-502

Published

2021-06-16

Modified

2026-10-07

Record from

the NVD, synced 2026-10-19

Affected

• apache:chainsaw
• apache:log4j
• qos:reload4j

References

• http://www.openwall.com/lists/oss-security/2021/06/16/1
• http://www.openwall.com/lists/oss-security/2022/01/18/5
• https://lists.apache.org/thread.html/r50d389c613ba6062a26aa57e163c09bfee4ff2d95d67331d75265b83%40%3Cannounce.apache.org%3E
• https://www.openwall.com/lists/oss-security/2021/06/16/1
• http://www.openwall.com/lists/oss-security/2021/06/16/1

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