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).
History

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cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published: 2021-05-26T12:22:31

Updated: 2024-08-03T18:37:18.090Z

Reserved: 2021-01-05T00:00:00

Link: CVE-2021-22160

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-05-26T13:15:07.697

Modified: 2024-11-21T05:49:37.470

Link: CVE-2021-22160

cve-icon Redhat

No data.