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CVE-2021-22160

—
CVSS 3.1
9.8 critical
EPSS
53%p99
Published
()
Modified
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).

Vendors
apache
Products
pulsar
Weakness
CWE-347
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD CVE.org GitHub PoCs EPSS (52.9%)

In the news

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