What’s Vulnerable › Vulnerabilities

CVE-2020-14213

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% 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-862

Description

In Zammad before 3.3.1, a Customer has ticket access that should only be available to an Agent (e.g., read internal data, split, or merge).

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/6e56aee25439b7a3211a6704a9d60453ad623ae4
• https://zammad.com/news/security-advisory-zaa-2020-13
• https://github.com/zammad/zammad/commit/6e56aee25439b7a3211a6704a9d60453ad623ae4
• https://zammad.com/news/security-advisory-zaa-2020-13

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