CVE-2020-14214 Auth bypass in n/a

What is CVE-2020-14214?

CVE-2020-14214 is a medium-severity authentication bypass vulnerability in Zammad Zammad, published on 16 Jun 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-863

Which versions are affected by CVE-2020-14214?

It affects 1 product.

Products include Zammad Zammad.

How do I fix CVE-2020-14214?

No fix has been published for CVE-2020-14214 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2020-14214 being exploited?

There is no known exploitation of CVE-2020-14214 in the wild and no public exploit code.

Other vulnerabilities in Zammad Zammad

• CVE-2026-102489 Zammad GmbH Zammad Session Fixation Exploited High 8.7
• CVE-2026-102490 Zammad GmbH Zammad Improper Privilege Management Exploited High 8.5
• CVE-2022-48021 Code injection in n/a Critical 9.8
• CVE-2022-35490 Security feature bypass in n/a Critical 9.8
• CVE-2021-42090 Deserialization in n/a Critical 9.8

All Zammad Zammad vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-655m-24cc-cx96.