{"cve":"CVE-2023-34340","nvd":{"published":"2023-06-21T08:15:10.740","modified":"2026-06-17T06:03:25.710","status":"Modified","description":"Improper Authentication vulnerability in Apache Software Foundation Apache Accumulo.\nThis issue affects Apache Accumulo: 2.1.0.\n\nAccumulo 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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-287"],"references":["https://accumulo.apache.org/release/accumulo-2.1.1/","https://lists.apache.org/thread/syy6jftvy9l6tlhn33o0rzwhh4rd0z4t","https://accumulo.apache.org/release/accumulo-2.1.1/","https://lists.apache.org/thread/syy6jftvy9l6tlhn33o0rzwhh4rd0z4t"],"products":["apache:accumulo"],"source":"nvd","synced_at":"2026-10-19T21:38:30.124994567+00:00"},"epss":{"cve":"CVE-2023-34340","score":0.01432,"percentile":0.73049,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-hp5w-w29m-vg63","url":"https://osv.dev/vulnerability/GHSA-hp5w-w29m-vg63","summary":"Apache Accumulo Improper Authentication vulnerability","modified":"2024-10-09T19:46:34Z","packages":[{"ecosystem":"Maven","name":"org.apache.accumulo:accumulo-shell","purl":"pkg:maven/org.apache.accumulo/accumulo-shell","ranges":[">=2.1.0 <2.1.1"],"fixed":["2.1.1"]}]}],"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."]}