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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.046 (91.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.046 · newest: 0.046 · change: +0.000
Affected products
- Apache Chainsaw
- Apache Log4j
- Apache Software Foundation Chainsaw — versions Apache Chainsaw
- Qos Reload4j
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.openwall.com/lists/oss-security/2021/06/16/1 (Mailing List, Tool Signature)
- www.openwall.com/lists/oss-security/2021/06/16/1 (mailing-list, Mailing List, Third Party Advisory)
- lists.apache.org/thread.html/r50d389c613ba6062a26aa57e163c09bfee4ff2d95d67331d7… (mailing-list)
- www.openwall.com/lists/oss-security/2022/01/18/5 (mailing-list, 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.