SSL Certificate Name Hostname Mismatch

Severity: Medium

Summary#

Invicti detected a hostname mismatch in the SSL certificate. This happens when the common name to which an SSL Certificate is issued (e.g., www.example.com) doesn't exactly match the name displayed in the URL bar.

Impact#

It can impact both website and the users:

Warning error messages displayed by browsers when visiting the site
Personal information at risk from man-in-the-middle attacks
Reduction in trust as the site becomes insecure
Ability for an attacker to create identical phishing website

Remediation#

The process of fixing name-hostname mismatch issues varies depending on the host or the certificate authority used. Please refer to the corresponding documentation.

Classifications#

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N, CWE-295, OWASP 2017-A3

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