NetSight
critical9.8

CVE-2021-22160

Improper Verification of Cryptographic Signature in Apache Pulsar in TensorFlow

Impact

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).

Affected packages

EcosystemPackageAffectedFixed in
mavenorg.apache.pulsar:pulsar< 2.7.22.7.2

Affected products

VendorProductAffected versions
ApachePulsar
before 2.7.1

Weakness classification

References