CVE-2020-29158

Description

An issue was discovered in Zammad before 3.5.1. An Agent with Customer permissions in a Group can bypass intended access control on internal Articles via the Ticket detail view.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.11%
Vendor Advisory zammad.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://zammad.com/en/advisories/zaa-2020-23 vendor advisory
https://github.com/zammad/zammad/commit/cf5a5e396058d4b134dd33d0a62b11c1733c98ab third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2020-29158?
CVE-2020-29158 has been scored as a medium severity vulnerability.
How to fix CVE-2020-29158?
To fix CVE-2020-29158, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-29158 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-29158 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.