Vulnerability · Published Feb 22, 2021 · Assigned by mitre

CVE-2021-27189

Medium 5.9

In plain English

A medium-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 64% of all known vulnerabilities).

Severity (CVSS NVD)5.9Medium

Exploit odds (30 days)1.0%top 35.7% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

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

Affected products (as reported)

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

References

https://www.info-sec.ca/advisories/CIRA-Canadian-Shield.html x_refsource_MISC
20210223 CIRA Canadian Shield iOS Application - MITM SSL Certificate Vulnerability (CVE-2021-27189) mailing-list, x_refsource_FULLDISC
http://packetstormsecurity.com/files/161507/CIRA-Canadian-Shield-Man-In-The-Middle.html x_refsource_MISC