What’s Vulnerable › Vulnerabilities

CVE-2020-14214

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-06-16 · updated 2026-06-17
• Weakness: CWE-863

Description

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.

Affected products

• zammad: before 3.3.1 — fixed in 3.3.1

How to fix

Upgrade to a fixed version: zammad 3.3.1. Check the vendor advisory for mitigations.

References

• https://github.com/zammad/zammad/commit/40148392426f626cb779c76d6bdda0f67bd6069d
• https://zammad.com/news/security-advisory-zaa-2020-12
• https://github.com/zammad/zammad/commit/40148392426f626cb779c76d6bdda0f67bd6069d
• https://zammad.com/news/security-advisory-zaa-2020-12

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