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.

Remediation

Vendor Workaround

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

Tracking

Sign in to view the affected projects.

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

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