CVE-2020-26028 Missing authorization in n/a

Medium 4.9 Published Updated

Admin users lacking ticket permissions can access tickets, allowing unauthorized data disclosure in Zammad helpdesk systems.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2020-26028?

CVE-2020-26028 is a medium-severity missing authorization vulnerability in Zammad Zammad, published on 28 Dec 2020. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

An issue was discovered in Zammad before 3.4.1. Admin Users without a ticket.* permission can access Tickets.

Weakness: CWE-863

Which versions are affected by CVE-2020-26028?

It affects 1 product.

Products include Zammad Zammad.

How do I fix CVE-2020-26028?

No fix has been published for CVE-2020-26028 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2020-26028 being exploited?

There is no known exploitation of CVE-2020-26028 in the wild and no public exploit code.

All Zammad Zammad vulnerabilities

Sources

Also known as GHSA-g929-vm5v-86gq.

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