Zammad 5.3.x (Fixed 5.4.0) is vulnerable to Incorrect Access Control. An authenticated attacker could gain information about linked accounts of users involved in their tickets using the Zammad API.
The product does not properly verify that the source of data or communication is valid.
Link | Tags |
---|---|
https://zammad.com/en/advisories/zaa-2023-02 | vendor advisory |