CVE-2021-27189

MediumCVSS 5.9/10Last modified Jun 17, 2026

Description

The CIRA Canadian Shield app before 4.0.13 for iOS lacks SSL Certificate Validation.

Metrics

CVSS 3.1 5.9/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-295

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://packetstormsecurity.com/files/161507/CIRA-Canadian-Shield-Man-In-The-Middle.htmlThird Party Advisory
http://seclists.org/fulldisclosure/2021/Feb/72Third Party Advisory
https://www.info-sec.ca/advisories/CIRA-Canadian-Shield.htmlPatch, Third Party Advisory
http://packetstormsecurity.com/files/161507/CIRA-Canadian-Shield-Man-In-The-Middle.htmlThird Party Advisory
http://seclists.org/fulldisclosure/2021/Feb/72Third Party Advisory
https://www.info-sec.ca/advisories/CIRA-Canadian-Shield.htmlPatch, Third Party Advisory

Timeline

Published: Feb 23, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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