#VU111068 Incorrect authorization in nats-server - CVE-2023-47090
Published: June 11, 2025
Vulnerability identifier: #VU111068
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-47090
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
nats-server
nats-server
Software vendor:
NATS - The Cloud Native Messaging System
NATS - The Cloud Native Messaging System
Description
The vulnerability allows a remote user to gain access to potentially sensitive information.
The vulnerability exists due to authentication bypass. A remote user in an authorization block can sometimes be used for unauthenticated access, even when the intention of the configuration was for each user to have an account
Remediation
Install updates from vendor's website.