Disclosure summary
A deserialization flaw was found in Apache Chainsaw versions prior to 2.1.0 which could lead to malicious code execution.
Source-reported weakness categories
CWE-502
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
NIST National Vulnerability Database · NVD-CVE-2020-9493
Open original source · Updated Oct 07, 2026
Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.
| Vendor | Product / association | Version / bounds |
|---|---|---|
| apache | chainsaw | * {"versionEndExcluding":"2.1.0"} |
| apache | log4j | * {"versionStartIncluding":"1.2","versionEndExcluding":"2.0"} |
| qos | reload4j | * {"versionEndExcluding":"1.2.18.1"} |
Original records & references
- NIST NVD record
- CVE Program record
- lists.apache.org
- www.openwall.com — Mailing List, Tool Signature
- lists.apache.org
- www.openwall.com — Mailing List, Tool Signature
PUBLISHED 2021-06-16T04:15:06-04:00
MODIFIED 2026-10-07T12:17:30-04:00
INGESTED 2026-10-08T12:30:35-04:00