CVE-2021-38373

Related Vulnerabilities: CVE-2021-38373  

In KDE KMail 19.12.3 (aka 5.13.3), the SMTP STARTTLS option is not honored (and cleartext messages are sent) unless "Server requires authentication" is checked.

Description

The MITRE CVE dictionary describes this issue as:

In KDE KMail 19.12.3 (aka 5.13.3), the SMTP STARTTLS option is not honored (and cleartext messages are sent) unless "Server requires authentication" is checked.

Additional Information

  • Bugzilla 1995180: CVE-2021-38373 kmail: STARTTLS is ignored when "Server requires authentication" not checked in UI
  • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
  • FAQ: Frequently asked questions about CVE-2021-38373