Improper access control in Apache Accumulo - CVE-2020-17533
Published: December 29, 2020 / Updated: December 29, 2020
Vulnerability identifier: #VU49190
CSH Severity: Medium
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-17533
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions for "canFlush" and "canPerformSystemActions" function. A remote authenticated user can bypass implemented security restrictions and flush a table, shut down Accumulo or an individual tablet server, and set or remove system-wide Accumulo configuration properties.
Affected software
Apache Accumulo
How to mitigate CVE-2020-17533
Install updates from vendor's website.
Apache Accumulo - addressed in versions 1.10.1, 2.0.1