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cvelistMozillaCVELIST:CVE-2021-38502
HistoryNov 03, 2021 - 12:02 a.m.

CVE-2021-38502

2021-11-0300:02:49
mozilla
raw.githubusercontent.com
1

6.5 Medium

AI Score

Confidence

Low

0.002 Low

EPSS

Percentile

58.2%

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.