{"id":"CVE-2016-7191","aliases":["EUVD-2018-0239","GHSA-73jp-3c67-hjfv"],"status":"published","title":"Authentication Bypass in passport-azure-ad","description":"The Microsoft Azure Active Directory Passport (aka Passport-Azure-AD) library 1.x before 1.4.6 and 2.x before 2.0.1 for Node.js does not recognize the validateIssuer setting, which allows remote attackers to bypass authentication via a crafted token.","severity":{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.29448,"percentile":0.98196,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-287"],"published":"2016-09-28T20:00:00Z","modified":"2026-10-20T10:47:39Z","fixes":[{"ecosystem":"npm","package":"passport-azure-ad","fixed_in":["1.4.6","2.0.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"passport-azure-ad","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0.0"},{"fixed":"1.4.6"}]}]},{"source":"ghsa","ecosystem":"npm","package":"passport-azure-ad","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0.0"},{"last_affected":"2.0.0"},{"fixed":"2.0.1"}]}],"versions":["2.0.0"]},{"source":"osv","ecosystem":"npm","package":"passport-azure-ad","ranges":[{"type":"SEMVER","events":[{"introduced":"1.0.0"},{"fixed":"1.4.6"}]}]},{"source":"osv","ecosystem":"npm","package":"passport-azure-ad","ranges":[{"type":"SEMVER","events":[{"introduced":"2.0.0"},{"fixed":"2.0.1"}]}],"versions":["2.0.0"]}],"products":[{"vendor":"microsoft","product":"azure_active_directory_passport"}],"references":[{"url":"https://github.com/AzureAD/passport-azure-ad/blob/master/SECURITY-NOTICE.MD","tags":["x_refsource_CONFIRM","x_transferred","Mitigation","Patch","Vendor Advisory","fix","web"]},{"url":"http://www.securitytracker.com/id/1036996","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","web"]},{"url":"https://support.microsoft.com/kb/3187742","tags":["vendor-advisory","x_refsource_MSKB","x_transferred","Mitigation","Patch","Vendor Advisory","fix","web"]},{"url":"http://www.securityfocus.com/bid/93213","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-7191","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-73jp-3c67-hjfv","tags":["advisory"]},{"url":"https://support.microsoft.com/en-us/kb/3187742","tags":["web"]},{"url":"https://www.npmjs.com/advisories/151","tags":["web"]},{"url":"https://github.com/AzureAD/passport-azure-ad","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2016-7191","description":"The Microsoft Azure Active Directory Passport (aka Passport-Azure-AD) library 1.x before 1.4.6 and 2.x before 2.0.1 for Node.js does not recognize the validateIssuer setting, which allows remote attackers to bypass authentication via a crafted token.","status":"published","published":"2016-09-28T20:00:00Z","modified":"2024-08-06T01:50:47.587Z","updated_at":"2026-11-02T14:33:36.802481Z"}],"euvd":[{"id":"EUVD-2018-0239","description":"The Microsoft Azure Active Directory Passport (aka Passport-Azure-AD) library 1.x before 1.4.6 and 2.x before 2.0.1 for Node.js does not recognize the validateIssuer setting, which allows remote attackers to bypass authentication via a crafted token.","status":"published","published":"2016-09-28T20:00:00Z","modified":"2024-08-06T01:50:47Z","updated_at":"2026-11-03T02:22:33.482405Z"}],"ghsa":[{"id":"GHSA-73jp-3c67-hjfv","title":"Authentication Bypass in passport-azure-ad","description":"Affected versions of `passport-azure-ad` do not recognize the `validateIssuer` setting, which allows remote attackers to bypass authentication via a crafted token.\n\n\n## Recommendation\n\nVersion 1.x: Update to version 1.4.6 or later.\nVersion 2.x: Update to version 2.0.1 or later.","status":"published","published":"2018-07-26T15:53:31Z","modified":"2023-01-09T05:02:46Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:36:03.768255Z"}],"nvd":[{"id":"CVE-2016-7191","description":"The Microsoft Azure Active Directory Passport (aka Passport-Azure-AD) library 1.x before 1.4.6 and 2.x before 2.0.1 for Node.js does not recognize the validateIssuer setting, which allows remote attackers to bypass authentication via a crafted token.","status":"published","published":"2016-09-28T20:59:00.24Z","modified":"2026-06-17T00:52:45.58Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:03:31.485755Z"}],"osv":[{"id":"CVE-2016-7191","description":"The Microsoft Azure Active Directory Passport (aka Passport-Azure-AD) library 1.x before 1.4.6 and 2.x before 2.0.1 for Node.js does not recognize the validateIssuer setting, which allows remote attackers to bypass authentication via a crafted token.","status":"published","published":"2016-09-28T20:59:00.24Z","modified":"2026-10-20T10:47:39.690112761Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:02.776224Z"},{"id":"GHSA-73jp-3c67-hjfv","title":"Authentication Bypass in passport-azure-ad","description":"Affected versions of `passport-azure-ad` do not recognize the `validateIssuer` setting, which allows remote attackers to bypass authentication via a crafted token.\n\n\n## Recommendation\n\nVersion 1.x: Update to version 1.4.6 or later.\nVersion 2.x: Update to version 2.0.1 or later.","status":"published","published":"2018-07-26T15:53:31Z","modified":"2023-11-08T03:58:35.23588Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T15:46:40.308826Z"}]}}