#VU83977 Insufficient entropy in jose4j - CVE-2023-31582
Published: December 7, 2023
Vulnerability identifier: #VU83977
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-31582
CWE-ID: CWE-331
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
jose4j
jose4j
Software vendor:
jose4j
jose4j
Description
The vulnerability allows a remote attacker to brute-force JWT token.
The vulnerability exists due to usage of insufficient entropy when generating JWT token. A remote attacker can brute-force the JWT token and gain unauthorized access to the application.
Remediation
Install updates from vendor's website.