Vulnerability Description
core/imap/MCIMAPSession.cpp in Canary Mail before 3.22 has Missing SSL Certificate Validation for IMAP in STARTTLS mode.
CVSS Score
7.4
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Canarymail | Canary Mail | 3.20 |
| Libmailcore | Mailcore2 | 0.6.4 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2021/02/17/3Mailing ListPatchThird Party Advisory
- https://apps.apple.com/us/app/canary-mail/id1236045954ProductThird Party Advisory
- https://census-labs.com/news/2021/02/17/canary-mail-app-missing-certificate-valiExploitThird Party Advisory
- https://census-labs.com/news/category/advisories/Third Party Advisory
- https://github.com/canarymail/mailcore2/commit/45acb4efbcaa57a20ac5127dc97653867PatchThird Party Advisory
- https://www.openwall.com/lists/oss-security/2021/02/17/3Mailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2021/02/17/3Mailing ListPatchThird Party Advisory
- https://apps.apple.com/us/app/canary-mail/id1236045954ProductThird Party Advisory
- https://census-labs.com/news/2021/02/17/canary-mail-app-missing-certificate-valiExploitThird Party Advisory
- https://census-labs.com/news/category/advisories/Third Party Advisory
- https://github.com/canarymail/mailcore2/commit/45acb4efbcaa57a20ac5127dc97653867PatchThird Party Advisory
- https://www.openwall.com/lists/oss-security/2021/02/17/3Mailing ListPatchThird Party Advisory
FAQ
What is CVE-2021-26911?
CVE-2021-26911 is a vulnerability with a CVSS score of 7.4 (HIGH). core/imap/MCIMAPSession.cpp in Canary Mail before 3.22 has Missing SSL Certificate Validation for IMAP in STARTTLS mode.
How severe is CVE-2021-26911?
CVE-2021-26911 has been rated HIGH with a CVSS base score of 7.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-26911?
Check the references section above for vendor advisories and patch information. Affected products include: Canarymail Canary Mail, Libmailcore Mailcore2.