CyberRota Analysis
This is a medium severity vulnerability with a CVSS score of 5.9. See the original NVD description below for full technical details.
CVE
CVE-2021-38502
Severity
MEDIUM
CVSS
5.9
EPSS
1.07%
Original NVD Description
Thunderbird ignored the configuration to require STARTTLS security for an SMTP connection. A MITM could perform a downgrade attack to intercept transmitted messages, or could take control of the authenticated session to execute SMTP commands chosen by the MITM. If an unprotected authentication method was configured, the MITM could obtain the authentication credentials, too. This vulnerability affects Thunderbird < 91.2.
Related CVEs
Other vulnerabilities affecting the same vendor(s)