{"id":"CVE-2021-28052","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-28052","generatedAt":"2026-10-28T06:48:45.155Z","title":"A tenant administrator Hitachi Content Platform (HCP) may modify the configuration in another tenant without authorization, potentially allowing unauthorized access to data in the other tenant.","description":"A tenant administrator Hitachi Content Platform (HCP) may modify the configuration in another tenant without authorization, potentially allowing unauthorized access to data in the other tenant. Also, a tenant user (non-administrator) may view configuration in another tenant without authorization. This issue affects: Hitachi Vantara Hitachi Content Platform versions prior to 8.3.7; 9.0.0 versions prior to 9.2.3.","published":"2022-09-26T16:15:11.000Z","lastModified":"2026-06-17T03:45:47.000Z","status":"Modified","sourceIdentifier":"hirt@hitachi.co.jp","cvss":{"version":"3.1","score":4.9,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-264","CWE-862"],"affected":["hitach/vantara"],"epss":{"score":0.00774,"percentile":0.55529,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.77%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://knowledge.hitachivantara.com/Security/HCP_Multitenancy_Vulnerability","tags":["Vendor Advisory"],"source":"hirt@hitachi.co.jp"},{"url":"https://www.hitachi.com/hirt/hitachi-sec/2021/604.html","tags":["Vendor Advisory"],"source":"hirt@hitachi.co.jp"},{"url":"https://knowledge.hitachivantara.com/Security/HCP_Multitenancy_Vulnerability","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.hitachi.com/hirt/hitachi-sec/2021/604.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-28052","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}