Headline
CVE-2022-40816: Security Advisory ZAA-2022-09 | Zammad
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.
Security Advisory
13. September 2022 · Please read carefully and check if the version of your Zammad system is affected by this vulnerability. Please send us information regarding vulnerabilities in Zammad!
Security Advisory Details
- ID: ZAA-2022-09
- Date: 09/13/2022
- Title: Information Disclosure
- Severity: high
- Product: Zammad 5.2.x
- Fixed in: Zammad 5.2.2
- References:
–> pending CVE assignment
Vulnerability Descriptions****Information Disclosure
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.
Recommended Resolution
This vulnerability is fixed in the latest versions of Zammad and it is recommended to upgrade to one of these.
Fixed releases can be found at:
- https://zammad.org/
- https://ftp.zammad.com/
Or just update your Zammad if installed via OS package manager.
Additional information
Online version of this advisory: https://zammad.com/en/advisories/zaa-2022-09
Please send remarks on security issues exclusively to [email protected].