CVE-2021-27189 describes a critical vulnerability in the CIRA Canadian Shield app for iOS, specifically versions prior to 4.0.13, where it fails to properly validate SSL certificates. This oversight allows for potential Man-in-the-Middle (MitM) attacks, enabling an attacker to intercept and view sensitive user data. The vulnerability has a CVSS score of 5.9 (MEDIUM), indicating that while it can lead to high confidentiality impact, the attack complexity is high. There is currently no evidence of active exploitation, nor are there publicly available exploit codes or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 4.0.13CPE matchmatch criteria | cpe:2.3:a:cira:canadian_shield:*:*:*:*:*:iphone_os:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.