CVEvulnerability
CVE-2021-26911
7.4 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-02-17
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.4 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
- CVSS 2.0 ([email protected])
- 5.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:N
- Weaknesses
- CWE-295
Description
core/imap/MCIMAPSession.cpp in Canary Mail before 3.22 has Missing SSL Certificate Validation for IMAP in STARTTLS mode.
Affected configurations
• canarymail canary mail 3.20
• canarymail canary mail 3.21
• libmailcore mailcore2 0.6.4
Related
Weakness · CWE (1)
- CWE-295 Improper Certificate Validation weakness
References
- http://www.openwall.com/lists/oss-security/2021/02/17/3 Mailing List, Patch, Third Party Advisory
- https://apps.apple.com/us/app/canary-mail/id1236045954 Product, Third Party Advisory
- https://census-labs.com/news/2021/02/17/canary-mail-app-missing-certificate-validation-check-on-imap-starttls/ Exploit, Third Party Advisory
- https://census-labs.com/news/category/advisories/ Third Party Advisory
- https://github.com/canarymail/mailcore2/commit/45acb4efbcaa57a20ac5127dc976538671fce018 Patch, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2021/02/17/3 Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/02/17/3 Mailing List, Patch, Third Party Advisory
- https://apps.apple.com/us/app/canary-mail/id1236045954 Product, Third Party Advisory
- https://census-labs.com/news/2021/02/17/canary-mail-app-missing-certificate-validation-check-on-imap-starttls/ Exploit, Third Party Advisory
- https://census-labs.com/news/category/advisories/ Third Party Advisory
- https://github.com/canarymail/mailcore2/commit/45acb4efbcaa57a20ac5127dc976538671fce018 Patch, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2021/02/17/3 Mailing List, Patch, Third Party Advisory