Auth bypass in Zammad
CVE-2020-29158
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.
Vulnerability class: Broken Access Control
EPSS: 0.007 (48.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Zammad
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-29158?
- CVE-2020-29158 is a medium-severity vulnerability in Zammad, classified under Missing Authorization. CVSS score: 4.3/10. Published 2020-12-28.
- How severe is CVE-2020-29158?
- Medium severity. CVSS v3 base score is 4.3 out of 10.