{"id":"CVE-2020-2734","aliases":["EUVD-2020-22527","GHSA-jjf4-23g8-gc3w"],"status":"published","title":"Vulnerability in the RDBMS/Optimizer component of Oracle Database Server. Supported versions that...","description":"Vulnerability in the RDBMS/Optimizer component of Oracle Database Server. Supported versions that are affected are 12.1.0.2, 12.2.0.1, 18c and 19c. Easily exploitable vulnerability allows high privileged attacker having Execute on DBMS_SQLTUNE privilege with network access via Oracle Net to compromise RDBMS/Optimizer. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized read access to a subset of RDBMS/Optimizer accessible data. CVSS 3.0 Base Score 2.4 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:N).","severity":{"version":"3.0","score":2.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00892,"percentile":0.59737,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2020-04-15T13:29:43Z","modified":"2026-06-17T03:12:47Z","products":[{"vendor":"oracle","product":"database_server"},{"vendor":"oracle corporation","product":"oracle database"}],"references":[{"url":"https://www.oracle.com/security-alerts/cpuapr2020.html","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-2734"},{"url":"https://github.com/advisories/GHSA-jjf4-23g8-gc3w"}],"sources":{"cve":[{"id":"CVE-2020-2734","description":"Vulnerability in the RDBMS/Optimizer component of Oracle Database Server. Supported versions that are affected are 12.1.0.2, 12.2.0.1, 18c and 19c. Easily exploitable vulnerability allows high privileged attacker having Execute on DBMS_SQLTUNE privilege with network access via Oracle Net to compromise RDBMS/Optimizer. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized read access to a subset of RDBMS/Optimizer accessible data. CVSS 3.0 Base Score 2.4 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:N).","status":"published","published":"2020-04-15T13:29:43Z","modified":"2024-09-30T15:44:42.467Z","cvss":[{"version":"3.0","score":2.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:N","level":"low","assessor":"cna"}],"updated_at":"2026-11-02T14:35:51.206854Z"}],"euvd":[{"id":"EUVD-2020-22527","description":"Vulnerability in the RDBMS/Optimizer component of Oracle Database Server. Supported versions that are affected are 12.1.0.2, 12.2.0.1, 18c and 19c. Easily exploitable vulnerability allows high privileged attacker having Execute on DBMS_SQLTUNE privilege with network access via Oracle Net to compromise RDBMS/Optimizer. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized read access to a subset of RDBMS/Optimizer accessible data. CVSS 3.0 Base Score 2.4 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:N).","status":"published","published":"2020-04-15T13:29:43Z","modified":"2024-09-30T15:44:42Z","cvss":[{"version":"3.0","score":2.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:N","level":"low"}],"updated_at":"2026-11-03T00:28:03.425858Z"}],"ghsa":[{"id":"GHSA-jjf4-23g8-gc3w","title":"Vulnerability in the RDBMS/Optimizer component of Oracle Database Server. Supported versions that...","description":"Vulnerability in the RDBMS/Optimizer component of Oracle Database Server. Supported versions that are affected are 12.1.0.2, 12.2.0.1, 18c and 19c. Easily exploitable vulnerability allows high privileged attacker having Execute on DBMS_SQLTUNE privilege with network access via Oracle Net to compromise RDBMS/Optimizer. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized read access to a subset of RDBMS/Optimizer accessible data. CVSS 3.0 Base Score 2.4 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:N).","status":"published","published":"2022-05-24T17:14:47Z","modified":"2023-01-29T05:02:08Z","updated_at":"2026-11-02T14:45:00.10333Z"}],"nvd":[{"id":"CVE-2020-2734","description":"Vulnerability in the RDBMS/Optimizer component of Oracle Database Server. Supported versions that are affected are 12.1.0.2, 12.2.0.1, 18c and 19c. Easily exploitable vulnerability allows high privileged attacker having Execute on DBMS_SQLTUNE privilege with network access via Oracle Net to compromise RDBMS/Optimizer. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized read access to a subset of RDBMS/Optimizer accessible data. CVSS 3.0 Base Score 2.4 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:N).","status":"published","published":"2020-04-15T14:15:22.92Z","modified":"2026-06-17T03:12:47.127Z","cvss":[{"version":"3.1","score":2.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:N","level":"low","assessor":"primary"},{"version":"3.0","score":2.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:N","level":"low","assessor":"secondary"},{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:P/I:N/A:N","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:05:59.125695Z"}]}}