Vulnerability in Json-Jwt Project

CVE-2023-51774

The json-jwt (aka JSON::JWT) gem 1.16.3 for Ruby sometimes allows bypass of identity checks via a sign/encryption confusion attack. For example, JWE can sometimes be used to bypass JSON::JWT.decode.

EPSS: 0.002 (14.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-51774?
CVE-2023-51774 is a high-severity vulnerability in Json-Jwt Project, classified under Improper Access Control. CVSS score: 8.4/10. Published 2024-02-29.
How severe is CVE-2023-51774?
High severity. CVSS v3 base score is 8.4 out of 10.