CVE-2023-34340: Apache Accumulo

Critical severity, CVSS 9.8. EPSS: 1.4% chance of exploitation in the next 30 days.

Improper Authentication vulnerability in Apache Software Foundation Apache Accumulo. This issue affects Apache Accumulo: 2.1.0. Accumulo 2.1.0 contains a defect in the user authentication process that may succeed when invalid credentials are provided. Users are advised to upgrade to 2.1.1.

Affected products

• Apache Accumulo: version 2.1.0 only

Published 2023-06-21. Last modified 2026-06-17.