{"cve":"CVE-2021-35599","nvd":{"published":"2021-10-20T11:17:04.367","modified":"2026-06-17T03:57:48.920","status":"Modified","description":"Vulnerability in the Zero Downtime DB Migration to Cloud component of Oracle Database Server. The supported version that is affected is 21c. Easily exploitable vulnerability allows high privileged attacker having Local Logon privilege with logon to the infrastructure where Zero Downtime DB Migration to Cloud executes to compromise Zero Downtime DB Migration to Cloud. While the vulnerability is in Zero Downtime DB Migration to Cloud, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of Zero Downtime DB Migration to Cloud. CVSS 3.1 Base Score 8.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H).","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","score":8.2},"cwes":[],"references":["https://www.oracle.com/security-alerts/cpuoct2021.html","https://www.oracle.com/security-alerts/cpuoct2021.html"],"products":["oracle:zero_downtime_db_migration_to_cloud"],"source":"nvd","synced_at":"2026-10-19T21:24:39.218183596+00:00"},"epss":{"cve":"CVE-2021-35599","score":0.0032,"percentile":0.25003,"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."]}