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CVE-2020-9493: chainsaw before 2.1.0 (exclusive); +3 more affected products
CVE-2020-9493. CVSS 3.1 base score 9.8 (CRITICAL, NVD). EPSS 0.04612 (percentile 0.9142), scored 2026-10-06.
Affected technology
chainsaw · before 2.1.0 (exclusive)
apache
log4j · from 1.2 (inclusive), before 2.0 (exclusive)
apache
reload4j · before 1.2.18.1 (exclusive)
qos
Apache Chainsaw · Apache Chainsaw to before 2.1.0
Apache Software Foundation
Description’s affected range: versions prior to 2.1.0 which could lead to malicious code execution
Component: Not specified by the source
Attack conditions (NVD, CVSS 3.1): Network (remote) · No privileges required · No user interaction required
Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required
What an attacker can do
NVD’s CVSS 3.1 assessment (base score 9.8/10) rates confidentiality, integrity and availability impact as high. Source advisory’s CVSS 3.1 assessment (base score 9.8/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- CWE
- CWE-502
- CCR priority
- 40.4 /100 (P3)
- CVSS 3.1
- 9.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · NVD
- EPSS
- 0.04612 · percentile 0.9142 · 2026-10-06
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-07 18:01:36.740415+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2020-9493.html