{"id":"CVE-2021-27189","aliases":["EUVD-2021-13955","GHSA-fpr2-m5hr-2pmm"],"status":"published","title":"The CIRA Canadian Shield app before 4.0.13 for iOS lacks SSL Certificate Validation.","description":"The CIRA Canadian Shield app before 4.0.13 for iOS lacks SSL Certificate Validation.","severity":{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.01046,"percentile":0.64646,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-295"],"published":"2021-02-22T23:16:51Z","modified":"2026-06-17T03:44:26Z","products":[{"vendor":"cira","product":"canadian_shield"}],"references":[{"url":"https://www.info-sec.ca/advisories/CIRA-Canadian-Shield.html","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory"]},{"url":"http://seclists.org/fulldisclosure/2021/Feb/72","tags":["mailing-list","x_refsource_FULLDISC","x_transferred","Third Party Advisory"]},{"url":"http://packetstormsecurity.com/files/161507/CIRA-Canadian-Shield-Man-In-The-Middle.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-27189"},{"url":"https://github.com/advisories/GHSA-fpr2-m5hr-2pmm"}],"sources":{"cve":[{"id":"CVE-2021-27189","description":"The CIRA Canadian Shield app before 4.0.13 for iOS lacks SSL Certificate Validation.","status":"published","published":"2021-02-22T23:16:51Z","modified":"2024-08-03T20:40:47.384Z","updated_at":"2026-11-02T14:33:04.360272Z"}],"euvd":[{"id":"EUVD-2021-13955","description":"The CIRA Canadian Shield app before 4.0.13 for iOS lacks SSL Certificate Validation.","status":"published","published":"2021-02-22T23:16:51Z","modified":"2024-08-03T20:40:47Z","updated_at":"2026-11-03T03:24:49.808499Z"}],"ghsa":[{"id":"GHSA-fpr2-m5hr-2pmm","title":"The CIRA Canadian Shield app before 4.0.13 for iOS lacks SSL Certificate Validation.","description":"The CIRA Canadian Shield app before 4.0.13 for iOS lacks SSL Certificate Validation.","status":"published","published":"2022-05-24T17:42:57Z","modified":"2023-01-29T05:06:40Z","cwes":["CWE-295"],"updated_at":"2026-11-02T14:46:04.414181Z"}],"nvd":[{"id":"CVE-2021-27189","description":"The CIRA Canadian Shield app before 4.0.13 for iOS lacks SSL Certificate Validation.","status":"published","published":"2021-02-23T00:15:12.613Z","modified":"2026-06-17T03:44:26.04Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","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-295"],"updated_at":"2026-11-02T14:06:50.031227Z"}]}}