{"cve":"CVE-2020-17533","nvd":{"published":"2020-12-29T12:15:12.400","modified":"2026-06-17T02:59:06.070","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","score":8.1},"cwes":["CWE-252"],"references":["http://www.openwall.com/lists/oss-security/2020/12/29/1","https://lists.apache.org/thread.html/rf8c1a787b6951d3dacb9ec58f0bf1633790c91f54ff10c6f8ff9d8ed%40%3Cannounce.apache.org%3E","https://lists.apache.org/thread.html/rf8c1a787b6951d3dacb9ec58f0bf1633790c91f54ff10c6f8ff9d8ed%40%3Cuser.accumulo.apache.org%3E","http://www.openwall.com/lists/oss-security/2020/12/29/1","https://lists.apache.org/thread.html/rf8c1a787b6951d3dacb9ec58f0bf1633790c91f54ff10c6f8ff9d8ed%40%3Cannounce.apache.org%3E"],"products":["apache:accumulo"],"source":"nvd","synced_at":"2026-10-19T21:12:09.559580076+00:00"},"epss":{"cve":"CVE-2020-17533","score":0.03699,"percentile":0.89731,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-grc3-8q8m-4j7c","url":"https://osv.dev/vulnerability/GHSA-grc3-8q8m-4j7c","summary":"Improper privilege handling in Apache Accumulo","modified":"2024-02-16T08:05:55.194537Z","packages":[{"ecosystem":"Maven","name":"org.apache.accumulo:accumulo-master","purl":"pkg:maven/org.apache.accumulo/accumulo-master","ranges":[">=1.5.0 <1.10.1"],"fixed":["1.10.1"]},{"ecosystem":"Maven","name":"org.apache.accumulo:accumulo-master","purl":"pkg:maven/org.apache.accumulo/accumulo-master","ranges":[">=2.0.0 <2.0.1"],"fixed":["2.0.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}