Medium
Security advisory
An issue was discovered in Zammad 3.0 through 3.2. After authentication, it transmits sensitive information to the user that may be compromised and used by an attacker to gain unauthorized access. Hashed passwords are returned to the user when visiting a certain URL.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-10104
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 05:06 UTC · Revision 1
Source evidence
An issue was discovered in Zammad 3.0 through 3.2. After authentication, it transmits sensitive information to the user that may be compromised and used by an attacker to gain unauthorized access. Hashed passwords are returned to the user when visiting a certain URL.
osv:CVE-2020-10104
Complete source record
{
"id": "26b8991b6f185d74f4caab11a3a92143852dd09105df3625c5face5300a5908c",
"url": "https://osv.dev/vulnerability/CVE-2020-10104",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-10104",
"summary": "An issue was discovered in Zammad 3.0 through 3.2. After authentication, it transmits sensitive information to the user that may be compromised and used by an attacker to gain unauthorized access. Hashed passwords are returned to the user when visiting a certain URL.",
"evidence": "osv:CVE-2020-10104",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2020-10104",
"aliases": [
"CVE-2020-10104"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/zammad/zammad",
"type": "GIT",
"events": [
{
"introduced": "9bdf6d7b816d4e55501e13d12dc0d9b53cf16f5c"
},
{
"last_affected": "e0ff35cb1492d1fd09f971ead0426ea6acbbef30"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:zammad:zammad:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.0.0"
},
{
"last_affected": "3.2.0"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-10104.json"
}
}
],
"modified": "2026-10-24T10:30:24.664321339Z",
"provider": "osv",
"references": [
"https://zammad.com/news/security-advisory-zaa-2020-04"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2020-10104",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 431193,
"published_at": "2020-03-05T01:15:12.117+00:00"
}