CVE-2021-38502 (GCVE-0-2021-38502)

Vulnerability from cvelistv5 – Published: 2021-11-03 00:02 – Updated: 2024-08-04 01:44
VLAI?
Summary
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.
Severity ?
No CVSS data available.
CWE
  • Downgrade attack on SMTP STARTTLS connections
Assigner
References
Impacted products
Vendor Product Version
Mozilla Thunderbird Affected: unspecified , < 91.2 (custom)
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}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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