CVE-2020-15646 Information

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.

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Reference

https://bugzilla.mozilla.org/show_bug.cgi?id=1606610 https://www.mozilla.org/security/advisories/mfsa2020-26/

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.9