CVE-2023-51774

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

8.4 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.5 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/P3ngu1nW/CVE_Request/blob/main/novjson-jwt.md Exploit Third Party Advisory
https://github.com/P3ngu1nW/CVE_Request/blob/main/novjson-jwt.md Exploit Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:json-jwt_project:json-jwt:1.16.3:*:*:*:*:ruby:*:*
History

08 May 2025, 22:48

Type Values Removed Values Added
References () https://github.com/P3ngu1nW/CVE_Request/blob/main/novjson-jwt.md - () https://github.com/P3ngu1nW/CVE_Request/blob/main/novjson-jwt.md - Exploit, Third Party Advisory
CPE cpe:2.3:a:json-jwt_project:json-jwt:1.16.3:*:*:*:*:ruby:*:*
First Time Json-jwt Project
Json-jwt Project json-jwt

21 Nov 2024, 08:38

Type Values Removed Values Added
References () https://github.com/P3ngu1nW/CVE_Request/blob/main/novjson-jwt.md - () https://github.com/P3ngu1nW/CVE_Request/blob/main/novjson-jwt.md -

26 Aug 2024, 20:35

Type Values Removed Values Added
Summary
  • (es) La gema json-jwt (también conocida como JSON::JWT) 1.16.3 para Ruby a veces permite eludir los controles de identidad mediante un ataque de confusión de signo/cifrado. Por ejemplo, a veces se puede utilizar JWE para omitir JSON::JWT.decode.
CWE CWE-284
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 8.4

29 Feb 2024, 01:42

Type Values Removed Values Added
New CVE
Information

Published : 2024-02-29 01:42

Updated : 2025-05-08 22:48

NVD link : CVE-2023-51774

Mitre link : CVE-2023-51774

CVE.ORG link : CVE-2023-51774

JSON object : View

Products Affected

json-jwt_project

  • json-jwt
CWE
CWE-284

Improper Access Control