Skip to content
KitploitKITPLOIT
ToolsBlog
Submit
ToolsBlog
Submit

Hacking, PenTest, and Cybersecurity Tools for Your Security Arsenal!

Kitploit is a directory of hacking, cybersecurity, and pentesting tools. Discover the latest project updates to find vulnerabilities, analyze systems, automate testing, and strengthen your security.

··Feeds·Contact·Privacy·© 2026 Kitploit

Tool Directory

Categories

View all categories
Loading categories
CVE-2022-21449-vuln-test — CVE-2022-21449 Vulnerability tester | Kitploit
Tools/GitHubGitHub/jmiettinen/cve-2022-21449-vuln-test
Vulnerability ScannersVulnerability AnalysisCryptographyPenetration TestingLearning & Education
GitHubjmiettinen/cve-2022-21449-vuln-test

CVE-2022-21449-vuln-test

CVE-2022-21449 Vulnerability tester

View Repository
24 years agoNot yet reviewed

Most Popular

View all →

Discover the most used tools by our community.

Explore all tools

Browse our collection of tools

View all tools →
Share

CVE-2022-21449 Vulnerability tester

Introduction

There's a new CVE-2022-21449 that had bug in ECDSA signature verification. It's one of the algorithms used with JWT for example. Citing the blog post

If you have deployed Java 15, Java 16, Java 17, or Java 18 in production then you should stop what you are doing and immediately update to install the fixes in the April 2022 Critical Patch Update.

Running

root@kitploit:~
./gradlew package && java -jar target/vulntest.jar

Will state VULNERABLE in case the JVM you used to run it is vulnerable to the signature verification bug and not vulnerable otherwise. Your JVM vendor and version will also be printed just to be sure that

Download Tool