Description
If an attacker intercepts Thunderbird's initial attempt to perform automatic account setup using the Microsoft Exchange autodiscovery mechanism, and the attacker sends a crafted response, then Thunderbird sends username and password over https to a server controlled by the attacker. This vulnerability affects Thunderbird < 68.10.0.
References (2)
Core 2
Core References
Vendor Advisory x_refsource_misc
https://www.mozilla.org/security/advisories/mfsa2020-26/
Issue Tracking, Permissions Required, Vendor Advisory x_refsource_misc
https://bugzilla.mozilla.org/show_bug.cgi?id=1606610
Scores
CVSS v3
5.9
EPSS
0.0025
EPSS Percentile
48.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Details
Status
published
Products (1)
mozilla/thunderbird
< 68.10.0
Published
Oct 08, 2020
Tracked Since
Feb 18, 2026