An issue in Zammad v5.4.0 allows attackers to bypass e-mail verification using an arbitrary address and manipulate the data of the generated user. Attackers are also able to gain unauthorized access to existing tickets.
CVSS Score
6.5
EPSS Score
0.001
Published
2023-05-18
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.
CVSS Score
6.5
EPSS Score
0.003
Published
2023-05-02
Zammad 5.3.x (Fixed in 5.4.0) is vulnerable to Incorrect Access Control. An authenticated attacker with agent and customer roles could perform unauthorized changes on articles where they only have customer permissions.
CVSS Score
6.5
EPSS Score
0.001
Published
2023-05-02