Security Advisory
CVE-2021-22160
9.8
CRITICAL
Vulnerability Description
If Apache Pulsar is configured to authenticate clients using tokens based on JSON Web Tokens (JWT), the signature of the token is not validated if the algorithm of the presented token is set to "none". This allows an attacker to connect to Pulsar instances as any user (incl. admins).
Published Date
May 26, 2021
Official Source
NIST NVD Advisory