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CVE-2021-22160

Authentication with JWT allows use of “none”-algorithm

15Vexday Risk Score

Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.

ssvc Trackepss 53%
probabilidade de exploração
53%top 1% das CVEs
exploração observada
nãonenhuma fonte reporta
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).