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Status published
High
CVE-2021-26911
core/imap/MCIMAPSession.cpp in Canary Mail before 3.22 has Missing SSL Certificate...
Vulnerability Description
core/imap/MCIMAPSession.cpp in Canary Mail before 3.22 has Missing SSL Certificate Validation for IMAP in STARTTLS mode.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://apps.apple.com/us/app/canary-mail/id1236045954
- https://census-labs.com/news/category/advisories/
- https://www.openwall.com/lists/oss-security/2021/02/17/3
- https://census-labs.com/news/2021/02/17/canary-mail-app-missing-certificate-validation-check-on-imap-starttls/
- https://github.com/canarymail/mailcore2/commit/45acb4efbcaa57a20ac5127dc976538671fce018
- http://www.openwall.com/lists/oss-security/2021/02/17/3
Affected Vendor
canarymail
View all reports →Affected Software
canary mail, mailcore2
Vulnerable Versions:
3.20, 3.21, 0.6.4
Timeline
Official Publish:
February 17th, 2021
Last Modified:
August 3rd, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.