Auth bypass in Zammad
CVE-2020-14214
Zammad before 3.3.1, when Domain Based Assignment is enabled, relies on a claimed e-mail address for authorization decisions. An attacker can register a new account that will have access to all tickets of an arbitrary Organization.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.007 (51.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 51.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
Weakness classification (CWE)
References
- zammad.com/news/security-advisory-zaa-2020-12 (Vendor Advisory)
- github.com/zammad/zammad/commit/40148392426f626cb779c76d6bdda0f67bd6069d (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-14214?
- CVE-2020-14214 is a medium-severity vulnerability in Zammad, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2020-06-16.
- How severe is CVE-2020-14214?
- Medium severity. CVSS v3 base score is 6.5 out of 10.