Medium
Security advisory
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-14214
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 10:50 UTC · Revision 1
Source evidence
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.
osv:CVE-2020-14214
Complete source record
{
"id": "e88412f0f6e3b78b0db6fa896977130c52265395983acf2259e3cae9a8a80775",
"url": "https://osv.dev/vulnerability/CVE-2020-14214",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-14214",
"summary": "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.",
"evidence": "osv:CVE-2020-14214",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2020-14214",
"aliases": [
"CVE-2020-14214"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/zammad/zammad",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "ad68acc3ac6bc699b466a5fd9723ff72281d2f31"
},
{
"fixed": "40148392426f626cb779c76d6bdda0f67bd6069d"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:zammad:zammad:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "3.3.1"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "40148392426f626cb779c76d6bdda0f67bd6069d"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"3.3.0",
"1.6.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-14214.json"
}
}
],
"modified": "2026-10-20T10:51:49.578512223Z",
"provider": "osv",
"references": [
"https://zammad.com/news/security-advisory-zaa-2020-12",
"https://github.com/zammad/zammad/commit/40148392426f626cb779c76d6bdda0f67bd6069d"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2020-14214",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 383013,
"published_at": "2020-06-16T23:15:11.237+00:00"
}