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CVE-2020-6794

Published: 2 March 2020

If a user saved passwords before Thunderbird 60 and then later set a master password, an unencrypted copy of these passwords is still accessible. This is because the older stored password file was not deleted when the data was copied to a new format starting in Thunderbird 60. The new master password is added only on the new file. This could allow the exposure of stored password data outside of user expectations. This vulnerability affects Thunderbird < 68.5.

Priority

Medium

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
thunderbird
Launchpad, Ubuntu, Debian
eoan
Released (1:68.7.0+build1-0ubuntu0.19.10.1)
trusty Does not exist

upstream
Released (68.5.0)
xenial
Released (1:68.7.0+build1-0ubuntu0.16.04.2)
bionic
Released (1:68.7.0+build1-0ubuntu0.18.04.1)

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N