{"id":"CVE-2019-7855","aliases":["EUVD-2022-2056","GHSA-2w26-gmqm-mc5p"],"status":"published","title":"Magento 2 Community Cryptographic Flaw","description":"A cryptograhic flaw in Magento 2.1 prior to 2.1.18, Magento 2.2 prior to 2.2.9, Magento 2.3 prior to 2.3.2 could be abused by an unauthenticated user to discover an invariant used in gift card generation.","severity":{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.0097,"percentile":0.62124,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-338"],"published":"2019-08-02T21:11:55Z","modified":"2026-10-24T10:30:57Z","fixes":[{"ecosystem":"Packagist","package":"magento/community-edition","fixed_in":["2.1.18","2.2.9","2.3.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"magento/community-edition","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.1.0"},{"fixed":"2.1.18"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"magento/community-edition","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.2.0"},{"fixed":"2.2.9"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"magento/community-edition","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.3.0"},{"fixed":"2.3.2"}]}]},{"source":"osv","ecosystem":"Packagist","package":"magento/community-edition","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.1.0"},{"fixed":"2.1.18"}]}],"versions":["2.1.0","2.1.1","2.1.10","2.1.11","2.1.12","2.1.13","2.1.14","2.1.15","2.1.16","2.1.17","2.1.2","2.1.3","2.1.4","2.1.5","2.1.6","2.1.7","2.1.8","2.1.9"]},{"source":"osv","ecosystem":"Packagist","package":"magento/community-edition","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.2.0"},{"fixed":"2.2.9"}]}],"versions":["2.2.0","2.2.1","2.2.2","2.2.3","2.2.4","2.2.5","2.2.6","2.2.7","2.2.8"]},{"source":"osv","ecosystem":"Packagist","package":"magento/community-edition","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.3.0"},{"fixed":"2.3.2"}]}],"versions":["2.3.0","2.3.1"]}],"products":[{"vendor":"adobe systems incorporated","product":"magento 2"},{"vendor":"magento","product":"magento"}],"references":[{"url":"https://magento.com/security/patches/magento-2.3.2-2.2.9-and-2.1.18-security-update-23","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-7855","tags":["advisory"]},{"url":"https://web.archive.org/web/20220121051916/https://magento.com/security/patches/magento-2.3.2-2.2.9-and-2.1.18-security-update-23","tags":["web"]},{"url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/magento/product-community-edition/CVE-2019-7855.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-2w26-gmqm-mc5p"},{"url":"https://github.com/magento/magento2","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2019-7855","description":"A cryptograhic flaw in Magento 2.1 prior to 2.1.18, Magento 2.2 prior to 2.2.9, Magento 2.3 prior to 2.3.2 could be abused by an unauthenticated user to discover an invariant used in gift card generation.","status":"published","published":"2019-08-02T21:11:55Z","modified":"2024-08-04T21:02:19.005Z","updated_at":"2026-11-02T14:32:22.854093Z"}],"euvd":[{"id":"EUVD-2022-2056","description":"A cryptograhic flaw in Magento 2.1 prior to 2.1.18, Magento 2.2 prior to 2.2.9, Magento 2.3 prior to 2.3.2 could be abused by an unauthenticated user to discover an invariant used in gift card generation.","status":"published","published":"2019-08-02T21:11:55Z","modified":"2024-08-04T21:02:19Z","updated_at":"2026-11-03T03:06:44.425478Z"}],"ghsa":[{"id":"GHSA-2w26-gmqm-mc5p","title":"Magento 2 Community Cryptographic Flaw","description":"A cryptograhic flaw in Magento 2.1 prior to 2.1.18, Magento 2.2 prior to 2.2.9, Magento 2.3 prior to 2.3.2 could be abused by an unauthenticated user to discover an invariant used in gift card generation.","status":"published","published":"2022-05-24T16:52:22Z","modified":"2024-02-12T11:46:42Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-338"],"updated_at":"2026-11-02T14:37:37.394986Z"}],"nvd":[{"id":"CVE-2019-7855","description":"A cryptograhic flaw in Magento 2.1 prior to 2.1.18, Magento 2.2 prior to 2.2.9, Magento 2.3 prior to 2.3.2 could be abused by an unauthenticated user to discover an invariant used in gift card generation.","status":"published","published":"2019-08-02T22:15:14.97Z","modified":"2026-06-17T02:41:08.063Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-338"],"updated_at":"2026-11-02T14:05:21.892729Z"}],"osv":[{"id":"CVE-2019-7855","description":"A cryptograhic flaw in 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generation.","status":"published","published":"2022-05-24T16:52:22Z","modified":"2024-02-16T08:17:22.627509Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-338"],"updated_at":"2026-11-02T15:46:34.700741Z"}]}}