Back to CVE records
Critical 9.8Published Jun 16, 2021

CVE-2020-9493A deserialization flaw was found in Apache Chainsaw versions prior to 2.1.0 which could lead to malicious code execution.

Updated under an hour ago ()

Does this affect you?

It affects apache chainsaw and 2 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

A deserialization flaw was found in Apache Chainsaw versions prior to 2.1.0 which could lead to malicious code execution.

CVSS
9.8 CRITICAL (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-502
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Not given
NVD analysis
Modified
Record last updated
Oct 7, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
apache chainsaw
apache:chainsaw
before 2.1.0
NVD
apache log4j
apache:log4j
from 1.2 before 2.0
NVD
qos reload4j
qos:reload4j
before 1.2.18.1
NVD

References

  • mailing-list, third-party-advisory
  • mailing-list, third-party-advisory
  • mailing-list, tool-signature

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

Your cookie choices
We use essential cookies to run this site, and, only with your consent, an advertising cookie from Google to measure whether our ads lead to sign-ups and subscriptions. See our for details.