ZSA-2020-08
Security issue in request for lost password
Problem
The password reset token could be manipulated to contain wild cards, allowing an attacker to retrieve tokens of other users.
Solution
Upgrade to the latest available OTRS patch level (https://ftp.otrs.org/pub/otrs/).
Workaround
As a workaround, you can replace the affected files (see below for download).
ATTENTION: Please check if any of these files have been changed in your OTRS installation by additional add-ons. In that case you MUST NOT simply overwrite the files with the ones provided below. Please contact us instead.