What it is about

Zammad ist ein Helpdesk- und Ticketsystem. Ein Angreifer kann mehrere Schwachstellen in Zammad ausnutzen, um beliebige SQL-Abfragen auszuführen, Sicherheitsmaßnahmen zu umgehen, Daten zu manipulieren oder vertrauliche Informationen offenzulegen.

Under what conditions?

The BSI does not name any particular preconditions. Exploitable remotely according to the BSI.

What can happen in the worst case

An attacker could use the vulnerability to

• beliebige SQL-Abfragen auszuführen
• Sicherheitsmaßnahmen zu umgehen
• Daten zu manipulieren oder vertrauliche Informationen offenzulegen

Am I affected?

Affected according to the BSI:

• Zammad Zammad <7.0.0

The installed version is usually shown under “Help → About” or in the device’s admin interface.

What helps?

Update to at least:

• Zammad Zammad 7.0.0

Is the vulnerability already being exploited?

None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.