CVE-2020-9493— Java deserialization in Chainsaw
Quick assessment
Affected
Apache Software Foundation Apache Chainsaw
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Apache Chainsaw是一个Log4j 的配套应用程序。 Apache Chainsaw 2.1.0之前的版本存在安全漏洞，该漏洞源于反序列化缺陷，可能导致恶意代码执行。
Possible ATT&CK Techniques 2 AI
T1203 · Exploitation for Client Execution T1190 · Exploit Public-Facing Application
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2020-9493
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Java deserialization in Chainsaw
Source: CVE Program / CVE List V5
Vulnerability Description
A deserialization flaw was found in Apache Chainsaw versions prior to 2.1.0 which could lead to malicious code execution.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
Apache Chainsaw 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Chainsaw是一个Log4j 的配套应用程序。 Apache Chainsaw 2.1.0之前的版本存在安全漏洞，该漏洞源于反序列化缺陷，可能导致恶意代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Apache Software Foundation | Apache Chainsaw | Apache Chainsaw ~ 2.1.0 | - |
|
II. Public POCs for CVE-2020-9493
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2020-9493
请登录查看更多情报信息。
Mailing List Discussions for CVE-2020-9493 (4)
-
https://www.openwall.com/lists/oss-security/2021/06/16/1 x_refsource_MISC
-
https://lists.apache.org/thread.html/r50d389c613ba6062a26aa57e163c09bfee4ff2d95d67331d75265b83%40%3Cannounce.apache.org%3E mailing-list x_refsource_MLIST
-
-
IV. Related Vulnerabilities
Same vendor: Apache Software Foundation
-
CVE-2026-82617
Apache OpenNLP, Apache OpenNLP: ReDoS / stack exhaustion in -
CVE-2026-67211
Apache OpenNLP: OOM DoS via Unbounded Array Allocation in Sy -
CVE-2026-80354
Apache Camel K: Camel K Builder trait mavenProfiles ValueSou -
CVE-2026-80351
Apache Camel K: Camel K Tenant repositories reach Maven exec -
CVE-2026-80352
Apache Camel K: Camel K Master trait serviceAccountName YAML
Same weakness: CWE-502
-
CVE-2026-90490
lenve vhr MailReceiver deserialization -
CVE-2026-78175
Tutor LMS <= 4.0.7 - Authenticated (Subscriber+) PHP Object -
CVE-2026-78006
The Events Calendar <= 6.17.4 - Unauthenticated PHP Object I -
CVE-2026-87719
Deserialization of Untrusted Data in GitLab -
CVE-2026-62107
WordPress Masteriyo - LMS plugin <= 3.4.0 - PHP Object Injec
V. Comments for CVE-2020-9493
No comments yet