CVE-2024-31033

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a user error in how JJWT is used, and because the version that was actually tested must have been more than six years out of date.

6.8

CVSS

Severity: Medium

CVSS 3.1 •

EPSS 0.10%

Affected: n/a n/a

References

Link	Tags
https://github.com/jwtk/jjwt
https://www.viralpatel.net/java-create-validate-jwt-token/
https://github.com/2308652512/JJWT_BUG
https://github.com/jwtk/jjwt/issues/930#issuecomment-2032699358

Frequently Asked Questions

What is the severity of CVE-2024-31033?: CVE-2024-31033 has been scored as a medium severity vulnerability.
How to fix CVE-2024-31033?: To fix CVE-2024-31033, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-31033 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2024-31033 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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