Improper Authorization in nats-server - CVE-2025-30215

 

Improper Authorization in nats-server - CVE-2025-30215

Published: April 16, 2025


Vulnerability identifier: #VU107481
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:H/E:P/U:Green
CVE-ID: CVE-2025-30215
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vendor: NATS - The Cloud Native Messaging System
Affected software:
nats-server

Detailed vulnerability description

The vulnerability allows a remote attacker to bypass authorization checks.

The vulnerability exists due to the failure to authorize certain Jetstream admin APIs. A remote user can perform certain administrative actions on any JS asset in any other account.


How to mitigate CVE-2025-30215

Install updates from vendor's website.

Sources