CVE-2020-9493
Java deserialization in Chainsaw
CRITICAL
9.8
CVSS Score
Published: June 16, 2021 at 07:30 AM UTC
Updated: October 7, 2026 at 04:17 PM UTC
3 products affected across 2 vendorsLog4jRELOAD4JChainsaw
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Severity
CRITICAL9.8
Exploit prediction
EPSS 5%
SSVC
No known exploit
Description
A deserialization flaw was found in Apache Chainsaw versions prior to 2.1.0 which could lead to malicious code execution.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Affected range stops below 2.1.0, so it looks safe — our inference, not a vendor statement
1.2 ≤ v < 2.0*
Affected range stops below 2.0, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (4)
Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2021/06/16/1Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2022/01/18/5Mailing Listx_refsource_MLIST
Source: [email protected]
https://lists.apache.org/thread.html/r50d389c613ba6062a26aa57e163c09bfee4ff2d95d67331d75265b83%40%3Cannounce.apache.org%3Ex_refsource_MISCMailing ListTool Signature
Source: [email protected]
https://www.openwall.com/lists/oss-security/2021/06/16/1SSVC — Action Prioritization
SSVCNo known exploitAutomatableTotal impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
9.8CRITICALCISA-ADP
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-502
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