CVE-2020-9493

Java deserialization in Chainsaw

Published Jun 16, 2021 CVSS 3.1 · 9.8 Critical EPSS 4.6% KEV · Not listed
Description
A deserialization flaw was found in Apache Chainsaw versions prior to 2.1.0 which could lead to malicious code execution.

Analysis

No analysis available yet

Remediation

Vendor Workaround

Don't configure Chainsaw to read serialized log events. Use a different receiver, such as XMLSocketReceiver

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2020-30300 A deserialization flaw was found in Apache Chainsaw versions prior to 2.1.0 which could lead to malicious code execution.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Metrics epss

{'score': 0.00348}

epss

{'score': 0.00357}

Weaknesses
  • CWE-502

    Deserialization of Untrusted Data

Sources

Status
PUBLISHED
Assigner
apache
Published
Updated
Oct 7, 2026, 4:00 PM
Reserved
Mar 1, 2020, 12:00 AM
Status
Modified
Published
Jun 16, 2021, 8:15 AM
Modified
Oct 7, 2026, 4:17 PM