{"id":"CVE-2016-8520","aliases":["EUVD-2016-9368","GHSA-29jc-9wc9-6c78"],"status":"published","title":"HPE Helion Eucalyptus v4.3.0 and earlier does not correctly check IAM user's permissions for...","description":"HPE Helion Eucalyptus v4.3.0 and earlier does not correctly check IAM user's permissions for accessing versioned objects and ACLs. In some cases, authenticated users with S3 permissions could also access versioned data.","severity":{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.01357,"percentile":0.71818,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-275"],"published":"2018-02-15T22:00:00Z","modified":"2026-10-24T10:30:51Z","products":[{"vendor":"eucalyptus","product":"eucalyptus"},{"vendor":"hewlett packard enterprise","product":"helion eucalyptus"}],"references":[{"url":"http://www.securityfocus.com/bid/95369","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://support.hpe.com/hpsc/doc/public/display?docId=emr_na-c05363782","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-8520"},{"url":"https://github.com/advisories/GHSA-29jc-9wc9-6c78"}],"sources":{"cve":[{"id":"CVE-2016-8520","description":"HPE Helion Eucalyptus v4.3.0 and earlier does not correctly check IAM user's permissions for accessing versioned objects and ACLs. In some cases, authenticated users with S3 permissions could also access versioned data.","status":"published","published":"2018-02-15T22:00:00Z","modified":"2024-09-16T23:20:39.331Z","updated_at":"2026-11-02T14:33:32.724067Z"}],"euvd":[{"id":"EUVD-2016-9368","description":"HPE Helion Eucalyptus v4.3.0 and earlier does not correctly check IAM user's permissions for accessing versioned objects and ACLs. In some cases, authenticated users with S3 permissions could also access versioned data.","status":"published","published":"2018-02-15T22:00:00Z","modified":"2024-09-16T23:20:39Z","updated_at":"2026-11-03T00:54:54.692655Z"}],"ghsa":[{"id":"GHSA-29jc-9wc9-6c78","title":"HPE Helion Eucalyptus v4.3.0 and earlier does not correctly check IAM user's permissions for...","description":"HPE Helion Eucalyptus v4.3.0 and earlier does not correctly check IAM user's permissions for accessing versioned objects and ACLs. In some cases, authenticated users with S3 permissions could also access versioned data.","status":"published","published":"2022-05-14T03:38:33Z","modified":"2023-02-02T05:08:01Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T14:52:38.632929Z"}],"nvd":[{"id":"CVE-2016-8520","description":"HPE Helion Eucalyptus v4.3.0 and earlier does not correctly check IAM user's permissions for accessing versioned objects and ACLs. In some cases, authenticated users with S3 permissions could also access versioned data.","status":"published","published":"2018-02-15T22:29:00.873Z","modified":"2026-06-17T00:54:29.367Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-275"],"updated_at":"2026-11-02T14:03:39.176887Z"}],"osv":[{"id":"CVE-2016-8520","description":"HPE Helion Eucalyptus v4.3.0 and earlier does not correctly check IAM user's permissions for accessing versioned objects and ACLs. In some cases, authenticated users with S3 permissions could also access versioned data.","status":"published","published":"2018-02-15T22:29:00.873Z","modified":"2026-10-24T10:30:51.092435709Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:03.171316Z"}]}}