CVE-2021-26911 describes a missing SSL certificate validation vulnerability in Canary Mail versions prior to 3.22, specifically within the core/imap/MCIMAPSession.cpp component when using IMAP in STARTTLS mode. This high-severity flaw (CVSS 7.4) allows an unauthenticated attacker to intercept sensitive information over a network with high impact on confidentiality and integrity, though with high attack complexity. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
3.20CPE matchmatch criteria | cpe:2.3:a:canarymail:canary_mail:3.20:*:*:*:*:iphone_os:*:* | ||
3.21CPE matchmatch criteria | cpe:2.3:a:canarymail:canary_mail:3.21:*:*:*:*:iphone_os:*:* | ||
0.6.4CPE matchmatch criteria | cpe:2.3:a:libmailcore:mailcore2:0.6.4:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.