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CVE-2020-17533

HighPublished

Apache Accumulo Improper Handling of Insufficient Permissions

Published: Dec 29, 2020
Updated: Aug 4, 2024
Assigning CNA: apache
Evidence observed: Aug 8, 2026

Primary CVSS

8.1/ 10High

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

EPSS probability estimate

3.7%

Low · next 30 days

Percentile: 89.1%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Apache Accumulo versions 1.5.0 through 1.10.0 and version 2.0.0 do not properly check the return value of some policy enforcement functions before permitting an authenticated user to perform certain administrative operations. Specifically, the return values of the 'canFlush' and 'canPerformSystemActions' security functions are not checked in some instances, therefore allowing an authenticated user with insufficient permissions to perform the following actions: flushing a table, shutting down Accumulo or an individual tablet server, and setting or removing system-wide Accumulo configuration properties.

Sources

CVE-2020-17533PoC
Proof-of-concept exploit for Apache Struts2 remote code execution vulnerability CVE-2020-17533, leveraging OGNL expression injection for unauthenticated RCE.

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