{"cve":"CVE-2021-2054","nvd":{"published":"2021-01-20T15:15:48.923","modified":"2026-06-17T03:48:42.147","status":"Modified","description":"Vulnerability in the RDBMS Sharding component of Oracle Database Server. Supported versions that are affected are 12.2.0.1, 18c and 19c. Easily exploitable vulnerability allows high privileged attacker having Create Any Procedure, Create Any View, Create Any Trigger privilege with network access via Oracle Net to compromise RDBMS Sharding. Successful attacks of this vulnerability can result in takeover of RDBMS Sharding. CVSS 3.1 Base Score 7.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","score":7.2},"cwes":[],"references":["https://www.oracle.com/security-alerts/cpujan2021.html","https://www.zerodayinitiative.com/advisories/ZDI-21-083/","https://www.oracle.com/security-alerts/cpujan2021.html","https://www.zerodayinitiative.com/advisories/ZDI-21-083/"],"products":["oracle:rdbms_sharding"],"source":"nvd","synced_at":"2026-10-19T21:14:10.479542811+00:00"},"epss":{"cve":"CVE-2021-2054","score":0.01693,"percentile":0.77118,"date":"2026-10-31"},"kev":null,"osv":[],"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."]}