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CVE-2024-31033

6.8 · MEDIUM

JJWT (aka Java JWT) through 0.12.5 ignores certain characters and thus a user might falsely conclude that they have a strong key.

Published Apr 1, 2024EPSS 0.78%

Overview

CVE-2024-31033 is a medium-severity vulnerability. It was published on April 1, 2024 and has a CVSS 3.1 base score of 6.8 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.8, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

JJWT (aka Java JWT) through 0.12.5 ignores certain characters and thus a user might falsely conclude that they have a strong key. The impacted code is the setSigningKey() method within the DefaultJwtParser class and the signWith() method within the DefaultJwtBuilder class. NOTE: the vendor disputes this because the "ignores" behavior cannot occur (in any version) unless there is a user error in how JJWT is used, and because the version that was actually tested must have been more than six years out of date.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/2308652512/JJWT_BUGGitHubgithub.com/jwtk/jjwtGitHubgithub.com/jwtk/jjwt/issues/930#issuecomment-2032699358Refwww.viralpatel.net/java-create-validate-jwt-token/GitHubgithub.com/2308652512/JJWT_BUGGitHubgithub.com/jwtk/jjwtGitHubgithub.com/jwtk/jjwt/issues/930#issuecomment-2032699358Refwww.viralpatel.net/java-create-validate-jwt-token/

How CyberStrike helps

Frequently asked questions

What is CVE-2024-31033?

CVE-2024-31033 is a medium-severity vulnerability. It was published on April 1, 2024 and has a CVSS 3.1 base score of 6.8 (MEDIUM).

How severe is CVE-2024-31033?

This vulnerability has a CVSS 3.1 base score of 6.8, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2024-31033?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2024-31033?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-31033 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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