{"id":"CVE-2023-34340","aliases":["GHSA-hp5w-w29m-vg63"],"url":"https://o3.security/vulnerability/CVE-2023-34340","summary":"Apache Accumulo: Accumulo 2.1.0 may incorrectly validate cached credentials","details":"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.\n\n\n","published":"2023-06-21T07:01:48.171Z","modified":"2026-08-12T03:51:11.469938572Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":{"score":0.01432,"percentile":0.70605,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.apache.accumulo:accumulo-shell","fixedVersion":"2.1.1"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://accumulo.apache.org/release/accumulo-2.1.1/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/34xxx/CVE-2023-34340.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/syy6jftvy9l6tlhn33o0rzwhh4rd0z4t"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-34340"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:11.469938572Z"}}