How severe is CVE-2020-14214?

CVE-2020-14214 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-14214 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-14214?

CVE-2020-14214 affects Zammad. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-14214?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-14214 published?

CVE-2020-14214 was published on 2020-06-16 and last updated on 2026-06-17.

CVE-2020-14214

CVE-2020-14214 is a medium-severity vulnerability in Zammad with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 5.8
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Zammad
Published: 2020-06-16
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2020-14214?: CVE-2020-14214 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-14214 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-14214?: CVE-2020-14214 affects Zammad. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-14214?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-14214 published?: CVE-2020-14214 was published on 2020-06-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:zammad:zammad:*:*:*:*:*:*:*:*

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