Vulnerability in Canarymail Canary Mail
CVE-2021-26911
core/imap/MCIMAPSession.cpp in Canary Mail before 3.22 has Missing SSL Certificate Validation for IMAP in STARTTLS mode.
Vulnerability class: Improper Certificate Validation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.011 (64.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- Canarymail Canary Mail — versions 3.20, 3.21
- Libmailcore Mailcore2 — versions 0.6.4
Weakness classification (CWE)
References
- apps.apple.com/us/app/canary-mail/id1236045954 (Product, Third Party Advisory)
- census-labs.com/news/category/advisories/ (Third Party Advisory)
- www.openwall.com/lists/oss-security/2021/02/17/3 (Patch, Mailing List, Third Party Advisory)
- census-labs.com/news/2021/02/17/canary-mail-app-missing-certificate-validation-… (Exploit, Third Party Advisory)
- github.com/canarymail/mailcore2/commit/45acb4efbcaa57a20ac5127dc976538671fce018 (Patch, Third Party Advisory)
- www.openwall.com/lists/oss-security/2021/02/17/3 (mailing-list, Patch, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-26911?
- CVE-2021-26911 is a high-severity vulnerability in Canarymail Canary Mail, classified under Improper Certificate Validation. CVSS score: 7.4/10. Published 2021-02-17.
- How severe is CVE-2021-26911?
- High severity. CVSS v3 base score is 7.4 out of 10.