Auth bypass in Zammad
CVE-2020-29160
An issue was discovered in Zammad before 3.5.1. A REST API call allows an attacker to change Ticket Article data in a way that defeats auditing.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.009 (58.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: +0.000
Affected products
Weakness classification (CWE)
References
- zammad.com/en/advisories/zaa-2020-24 (Vendor Advisory)
- github.com/zammad/zammad/commit/28944de180a88698509a656f61558bf9d7f810f4 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-29160?
- CVE-2020-29160 is a high-severity vulnerability in Zammad, classified under Missing Authorization. CVSS score: 7.5/10. Published 2020-12-28.
- How severe is CVE-2020-29160?
- High severity. CVSS v3 base score is 7.5 out of 10.