Deserialization in Apache Chainsaw
CVE-2020-9493
A deserialization flaw was found in Apache Chainsaw versions prior to 2.1.0 which could lead to malicious code execution.
Vulnerability class: Insecure Deserialization
EPSS: 0.046 (90.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Apache Chainsaw
- Apache Log4j
- Apache Software Foundation Chainsaw — versions Apache Chainsaw
- Qos Reload4j
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@apache.org (Mailing List, x_refsource_MISC, Tool Signature)
- security@apache.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- security@apache.org (mailing-list, x_refsource_MLIST)
- security@apache.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-9493?
- CVE-2020-9493 is a critical-severity vulnerability in Apache Chainsaw, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2021-06-16.
- How severe is CVE-2020-9493?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-9493 known to be exploited?
- 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.