ISSUE: uSis is unavailable
Due to a possible security vulnerability in Apache, the production environment of uSis has been closed off for users out of precaution.
Issue description
At this moment there is a world wide issue concerning a security vulnerability in Apache Log4j. This vulnerability is classified as a high risk with a high impact.
Start: the production environment of uSis has been closed of for users from Saturday 11 December 13:30.
Impact: This issue affects all users. Both students and staff members cannot access the production environment of uSis.
We apologize for any inconvenience.
Workaround available for students
We advise all students to use the Leiden University app for class enrollment or to view your timetable, progress, grades etc.
Workaround available for staff members
We advise all staff members to access uSis via remote workplace to carry out their work in a safe manner.
Status
Update Tuesday 14-12 18:00
Unfortunately the problem is still ongoing and no further information is available.
We will post another update no later then Wednesday 10:00
Update Tuesday 14-12 13:00
Unfortunately the problem is still ongoing and no further information is available.
There will be another update at 18:00.
Update Monday 13-12 18:00
Staff members are able to access uSis via remote workplace. We are working hard on a solution where we can safely open uSis for all students.
We will post another update no later then Tuesday 13:00.
Update Monday 13-12 13:00
Unfortunately, the problem is still ongoing and no further information is available.
There will be another update at 18:00
Update Monday 13-12 08:30
Together with our suppliers we are working hard on a solution where we can safely open uSis for all users. Our first action is to open up uSis to employees
We will post another update no later then 13:00 today.