CVE-2023-31582

Name: CVE-2023-31582
Creator: NVD / NIST
Published: 2023-10-25T18:17:27.777+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.64%

Last modified Jun 17, 2026

CVE-2023-31582 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. jose4j before v0.9.3 allows attackers to set a low iteration count of 1000 or less.. EPSS estimates a 0.64% chance of exploitation in the next 30 days.

Description

jose4j before v0.9.3 allows attackers to set a low iteration count of 1000 or less.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS Probability

0.64%

46.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-331

Affected Software

Vendor	Product	Versions
Jose4j Project	Jose4j	< 0.9.3

References

https://bitbucket.org/b_c/jose4j/issues/203/insecure-support-of-setting-pbe-less-thenIssue Tracking
https://github.com/KANIXB/JWTIssues/blob/main/jose4j%20issue.mdThird Party Advisory
https://bitbucket.org/b_c/jose4j/issues/203/insecure-support-of-setting-pbe-less-thenIssue Tracking
https://github.com/KANIXB/JWTIssues/blob/main/jose4j%20issue.mdThird Party Advisory

Timeline

Published: Oct 25, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-31582?

jose4j before v0.9.3 allows attackers to set a low iteration count of 1000 or less.

How severe is CVE-2023-31582?

CVE-2023-31582 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.64% probability of exploitation in the next 30 days.

How do I fix CVE-2023-31582?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-31582?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST