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CVE-2020-12398

CVSS v3.1 7.5 (High)
75% Progress
CVSS v2.0 4.3 (Medium)
43% Progress
EPSS 0.19 % (56th)
0.19% Progress
Affected Products 2
Advisories 17
Info CVSS EPSS CAPEC Affected Configurations References Security Advisories Packages & Software OVAL Tools, Exploits & PoC Graph Web & Social Timeline

If Thunderbird is configured to use STARTTLS for an IMAP server, and the server sends a PREAUTH response, then Thunderbird will continue with an unencrypted connection, causing email data to be sent without protection. This vulnerability affects Thunderbird < 68.9.0.

Weaknesses
CWE-319
Cleartext Transmission of Sensitive Information
CVE Status
PUBLISHED
CNA
Mozilla Corporation
Published Date
2020-07-09 15:15:10
(4 years ago)
Updated Date
2022-01-04 16:38:59
(2 years ago)

Affected Products

Canonical

Mozilla

Configuration #1

    CPE23 From Up To
  Mozilla Thunderbird prior 68.9.0 version cpe:2.3:a:mozilla:thunderbird < 68.9.0

Configuration #2

    CPE23 From Up To
  Canonical Ubuntu Linux 16.04 cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm
  Canonical Ubuntu Linux 18.04 cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts
  Canonical Ubuntu Linux 19.10 cpe:2.3:o:canonical:ubuntu_linux:19.10
  Canonical Ubuntu Linux 20.04 cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts