{"id":"CVE-2021-28661","aliases":["BIT-silverstripe-2021-28661","EUVD-2021-2253","GHSA-r7rh-g777-g5gx"],"status":"published","title":"SilverStripe GraphQL Server permission checker not inherited by query subclass.","description":"Default SilverStripe GraphQL Server (aka silverstripe/graphql) 3.x through 3.4.1 permission checker not inherited by query subclass.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00812,"percentile":0.57417,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-863"],"published":"2021-10-07T14:06:31Z","modified":"2026-10-24T10:50:07Z","fixes":[{"ecosystem":"Packagist","package":"silverstripe/graphql","fixed_in":["3.5.2"],"sources":["ghsa","osv"]},{"ecosystem":"Bitnami","package":"silverstripe","fixed_in":["3.4.1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"silverstripe/graphql","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0"},{"fixed":"3.5.2"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"silverstripe","ranges":[{"type":"SEMVER","events":[{"introduced":"3.0.0"},{"fixed":"3.4.1"}]}]},{"source":"osv","ecosystem":"Packagist","package":"silverstripe/graphql","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0"},{"fixed":"3.5.2"}]}],"versions":["3.0.0","3.0.1","3.0.2","3.0.3","3.0.4","3.1.0","3.1.0-rc1","3.1.1","3.1.2","3.1.3","3.1.4","3.1.5","3.2.0","3.2.0-alpha1","3.2.0-rc1","3.2.0-rc2","3.2.1","3.2.2","3.2.3","3.2.4","3.3.0","3.3.0-beta1","3.3.0-rc1","3.4.0","3.4.0-beta1","3.4.0-rc1","3.4.1","3.5.0","3.5.0-beta1","3.5.0-rc1","3.5.1"]}],"products":[{"vendor":"silverstripe","product":"silverstripe"}],"references":[{"url":"https://github.com/silverstripe/silverstripe-graphql/releases","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","web","advisory"]},{"url":"https://www.silverstripe.org/download/security-releases/CVE-2021-28661","tags":["x_refsource_MISC","x_transferred","Exploit","Vendor Advisory","web","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-28661","tags":["advisory"]},{"url":"https://github.com/silverstripe/silverstripe-graphql/pull/407/commits/16961459f681f7b32145296189dfdbcc7715e6ed","tags":["web"]},{"url":"https://github.com/silverstripe/silverstripe-graphql/releases/tag/3.5.2","tags":["web"]},{"url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/graphql/CVE-2021-28661.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-r7rh-g777-g5gx"},{"url":"https://github.com/silverstripe/silverstripe-graphql","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2021-28661","description":"Default SilverStripe GraphQL Server (aka silverstripe/graphql) 3.x through 3.4.1 permission checker not inherited by query subclass.","status":"published","published":"2021-10-07T14:06:31Z","modified":"2024-08-03T21:47:32.974Z","updated_at":"2026-11-02T14:33:08.811269Z"}],"euvd":[{"id":"EUVD-2021-2253","description":"Default SilverStripe GraphQL Server (aka silverstripe/graphql) 3.x through 3.4.1 permission checker not inherited by query subclass.","status":"published","published":"2021-10-07T14:06:31Z","modified":"2024-08-03T21:47:32Z","updated_at":"2026-11-03T03:24:46.751124Z"}],"ghsa":[{"id":"GHSA-r7rh-g777-g5gx","title":"SilverStripe GraphQL Server permission checker not inherited by query subclass.","description":"Default SilverStripe GraphQL Server (aka silverstripe/graphql) 3.x through 3.4.1 permission checker not inherited by query subclass.","status":"published","published":"2021-10-12T18:49:23Z","modified":"2024-02-06T17:19:17Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:37:36.076201Z"}],"nvd":[{"id":"CVE-2021-28661","description":"Default SilverStripe GraphQL Server (aka silverstripe/graphql) 3.x through 3.4.1 permission checker not inherited by query subclass.","status":"published","published":"2021-10-07T15:15:10.51Z","modified":"2026-06-17T03:46:43.56Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:06:59.314106Z"}],"osv":[{"id":"CVE-2021-28661","description":"Default SilverStripe GraphQL Server (aka silverstripe/graphql) 3.x through 3.4.1 permission checker not inherited by query subclass.","status":"published","published":"2021-10-07T15:15:10.51Z","modified":"2026-10-24T10:50:07.564947236Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:19.129331Z"},{"id":"GHSA-r7rh-g777-g5gx","title":"SilverStripe GraphQL Server permission checker not inherited by query subclass.","description":"Default SilverStripe GraphQL Server (aka silverstripe/graphql) 3.x through 3.4.1 permission checker not inherited by query subclass.","status":"published","published":"2021-10-12T18:49:23Z","modified":"2024-02-16T08:16:52.304414Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:46:55.480549Z"},{"id":"BIT-silverstripe-2021-28661","description":"Default SilverStripe GraphQL Server (aka silverstripe/graphql) 3.x through 3.4.1 permission checker not inherited by query subclass.","status":"published","published":"2024-03-06T11:05:41.295Z","modified":"2024-03-06T11:25:28.861Z","updated_at":"2026-11-02T15:28:35.111822Z"}]}}