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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (12.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 12.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Json-Jwt Project — versions 1.16.3
Weakness classification (CWE)
References
- github.com/P3ngu1nW/CVE_Request/blob/main/novjson-jwt.md (Exploit, Third Party Advisory)
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.