VDB
DEBIAN-CVE-2021-38502
DEBIAN-CVE-2021-38502
PUBLISHED
CVSS 5.900000095367432 MEDIUM
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.
Risk Scores
CVSS 3.1
5.900000095367432
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:11 | thunderbird | 1:90.0~b2-1, 1:91.3.0-1, 1:91.3.2-1 |
| Debian:14 | thunderbird | 0, 0, 0 |
| Debian:13 | thunderbird | 0, 0, 0 |
| Debian:12 | thunderbird | 0, 0, 0 |
Timeline
- Nov 3, 2021 CVE Published
- Apr 28, 2026 CVE Updated