CVE-2021-26911
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS
Percentile
61.9%
core/imap/MCIMAPSession.cpp in Canary Mail before 3.22 has Missing SSL Certificate Validation for IMAP in STARTTLS mode.
Affected configurations
| Vendor | Product | Version | CPE |
|---|---|---|---|
| canarymail | canary_mail | 3.20 | cpe:2.3:a:canarymail:canary_mail:3.20:*:*:*:*:iphone_os:*:* |
| canarymail | canary_mail | 3.21 | cpe:2.3:a:canarymail:canary_mail:3.21:*:*:*:*:iphone_os:*:* |
| libmailcore | mailcore2 | 0.6.4 | cpe:2.3:a:libmailcore:mailcore2:0.6.4:*:*:*:*:*:*:* |
References
www.openwall.com/lists/oss-security/2021/02/17/3
apps.apple.com/us/app/canary-mail/id1236045954
census-labs.com/news/2021/02/17/canary-mail-app-missing-certificate-validation-check-on-imap-starttls/
census-labs.com/news/category/advisories/
github.com/canarymail/mailcore2/commit/45acb4efbcaa57a20ac5127dc976538671fce018
www.openwall.com/lists/oss-security/2021/02/17/3
Related
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS
Percentile
61.9%