{"id":"CVE-2011-3257","aliases":["EUVD-2011-3221","GHSA-72p9-rxf3-x74w"],"status":"published","title":"The Data Access component in Apple iOS before 5 does not properly handle the existence of...","description":"The Data Access component in Apple iOS before 5 does not properly handle the existence of multiple user accounts on the same mail server, which allows local users to bypass intended access restrictions in opportunistic circumstances by leveraging a different account's cookie.","severity":{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00354,"percentile":0.29281,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-264"],"published":"2011-10-14T10:00:00Z","modified":"2026-06-16T23:32:58Z","products":[{"vendor":"apple","product":"iphone_os"}],"references":[{"url":"http://lists.apple.com/archives/Security-announce/2011//Oct/msg00001.html","tags":["vendor-advisory","x_refsource_APPLE","x_transferred","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/70553","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://support.apple.com/kb/HT4999","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://osvdb.org/76325","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-3257"},{"url":"https://github.com/advisories/GHSA-72p9-rxf3-x74w"}],"sources":{"cve":[{"id":"CVE-2011-3257","description":"The Data Access component in Apple iOS before 5 does not properly handle the existence of multiple user accounts on the same mail server, which allows local users to bypass intended access restrictions in opportunistic circumstances by leveraging a different account's cookie.","status":"published","published":"2011-10-14T10:00:00Z","modified":"2024-08-06T23:29:56.531Z","updated_at":"2026-11-02T14:35:37.671707Z"}],"euvd":[{"id":"EUVD-2011-3221","description":"The Data Access component in Apple iOS before 5 does not properly handle the existence of multiple user accounts on the same mail server, which allows local users to bypass intended access restrictions in opportunistic circumstances by leveraging a different account's cookie.","status":"published","published":"2011-10-14T10:00:00Z","modified":"2024-08-06T23:29:56Z","updated_at":"2026-11-03T01:39:52.582864Z"}],"ghsa":[{"id":"GHSA-72p9-rxf3-x74w","title":"The Data Access component in Apple iOS before 5 does not properly handle the existence of...","description":"The Data Access component in Apple iOS before 5 does not properly handle the existence of multiple user accounts on the same mail server, which allows local users to bypass intended access restrictions in opportunistic circumstances by leveraging a different account's cookie.","status":"published","published":"2022-05-17T01:53:51Z","modified":"2023-02-03T05:06:08Z","updated_at":"2026-11-02T14:53:51.237254Z"}],"nvd":[{"id":"CVE-2011-3257","description":"The Data Access component in Apple iOS before 5 does not properly handle the existence of multiple user accounts on the same mail server, which allows local users to bypass intended access restrictions in opportunistic circumstances by leveraging a different account's cookie.","status":"published","published":"2011-10-14T10:55:10.183Z","modified":"2026-06-16T23:32:58.737Z","cvss":[{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-264"],"updated_at":"2026-11-02T14:02:10.769216Z"}]}}