Zammad
CVE-2022-40816
MEDIUM
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Lifecycle Timeline
1DescriptionNVD
Zammad 5.2.1 is vulnerable to Incorrect Access Control. Zammad's asset handling mechanism has logic to ensure that customer users are not able to see personal information of other users. This logic was not effective when used through a web socket connection, so that a logged-in attacker would be able to fetch personal data of other users by querying the Zammad API. This issue is fixed in , 5.2.2.
AnalysisAI
Zammad 5.2.1 is vulnerable to Incorrect Access Control. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Incorrect Authorization (CWE-863), which allows attackers to bypass authorization checks to access restricted resources. Zammad 5.2.1 is vulnerable to Incorrect Access Control. Zammad's asset handling mechanism has logic to ensure that customer users are not able to see personal information of other users. This logic was not effective when used through a web socket connection, so that a logged-in attacker would be able to fetch personal data of other users by querying the Zammad API. This issue is fixed in , 5.2.2. Affected products include: Zammad.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Review and test authorization logic, implement consistent access control checks, use centralized authorization framework.
An issue was discovered in Zammad before 1.0.4, 1.1.x before 1.1.3, and 1.2.x before 1.2.1. Rated critical severity (CVS
An issue was discovered in Zammad before 1.0.4, 1.1.x before 1.1.3, and 1.2.x before 1.2.1, caused by lack of a protecti
Zammad 5.2.0 is vulnerable to privilege escalation. Rated critical severity (CVSS 9.8), this vulnerability is remotely e
An issue was discovered in Zammad before 4.1.1. Rated critical severity (CVSS 9.8), this vulnerability is remotely explo
An issue was discovered in Zammad before 4.1.1. Rated critical severity (CVSS 9.8), this vulnerability is remotely explo
An issue was discovered in Zammad before 3.4.1. Rated critical severity (CVSS 9.8), this vulnerability is remotely explo
An issue was discovered in Zammad before 6.3.0. Rated critical severity (CVSS 9.1), this vulnerability is remotely explo
An access control issue in Zammad v5.0.3 allows attackers to write entries to the CTI caller log without authentication.
An issue was discovered in Zammad before 4.1.1. Rated critical severity (CVSS 9.1), this vulnerability is remotely explo
A CSRF issue was discovered in Zammad before 1.0.4, 1.1.x before 1.1.3, and 1.2.x before 1.2.1. Rated high severity (CVS
An issue was discovered in Zammad before 4.1.1. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitab
Unauthenticated remote information disclosure in Zammad helpdesk system versions before 7.0.1 and 6.5.4 allows attackers
Same weakness CWE-863 – Incorrect Authorization
View allSame technique Authentication Bypass
View allShare
External POC / Exploit Code
Leaving vuln.today