High
Security advisory
In OpenEMR, versions 5.0.0 to 6.0.0.1 are vulnerable to weak password requirements as it does not enforce a maximum password length limit. If a malicious user is aware of the first 72 characters of the victim user’s password, he can leverage it to an account takeover.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-25923
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 11:41 UTC · Revision 1
Source evidence
In OpenEMR, versions 5.0.0 to 6.0.0.1 are vulnerable to weak password requirements as it does not enforce a maximum password length limit. If a malicious user is aware of the first 72 characters of the victim user’s password, he can leverage it to an account takeover.
osv:CVE-2021-25923
Complete source record
{
"id": "13ff2e6f5163f8cc69df5a5fde3517210ce00a25c84d0eb629324285c3731ffd",
"url": "https://osv.dev/vulnerability/CVE-2021-25923",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-25923",
"summary": "In OpenEMR, versions 5.0.0 to 6.0.0.1 are vulnerable to weak password requirements as it does not enforce a maximum password length limit. If a malicious user is aware of the first 72 characters of the victim user’s password, he can leverage it to an account takeover.",
"evidence": "osv:CVE-2021-25923",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2021-25923",
"aliases": [
"CVE-2021-25923"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/openemr/openemr",
"type": "GIT",
"events": [
{
"introduced": "a438d034088620bcc1dd3856a3d5c32d1cb17dcc"
},
{
"last_affected": "ea4c4bd0953defc7b90acc891aa1805db659fb67"
},
{
"fixed": "28ca5c008d4a408b60001a67dfd3e0915f9181e0"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:open-emr:openemr:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.0.0"
},
{
"last_affected": "6.0.0.1"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "28ca5c008d4a408b60001a67dfd3e0915f9181e0"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-25923.json"
}
}
],
"modified": "2026-10-20T10:54:33.642992104Z",
"provider": "osv",
"references": [
"https://github.com/openemr/openemr/commit/28ca5c008d4a408b60001a67dfd3e0915f9181e0",
"https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25923"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2021-25923",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 385579,
"published_at": "2021-06-24T11:15:07.877+00:00"
}