High
Security advisory
In two-factor authentication, the system also sending 2fa secret key in response, which enables an intruder to breach the 2fa security.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-27508
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 11:10 UTC · Revision 1
Source evidence
In two-factor authentication, the system also sending 2fa secret key in response, which enables an intruder to breach the 2fa security.
osv:CVE-2020-27508
Complete source record
{
"id": "002f195277451a690a207f766bc24e39975764d077626e73f4652b8217d1b94e",
"url": "https://osv.dev/vulnerability/CVE-2020-27508",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-27508",
"summary": "In two-factor authentication, the system also sending 2fa secret key in response, which enables an intruder to breach the 2fa security.",
"evidence": "osv:CVE-2020-27508",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2020-27508",
"aliases": [
"CVE-2020-27508"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/frappe/frappe",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "0c6a03a4598be56c7bd03fd05bc3490ccdfc59bd"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:frappe:frappe:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
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{
"fixed": "12.10.0"
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"source": "CPE_RANGE"
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],
"modified": "2026-10-20T10:52:59.334074869Z",
"provider": "osv",
"references": [
"https://github.com/frappe/frappe/pull/11262",
"https://github.com/frappe/frappe/pull/11263"
],
"provider_metadata": {}
},
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"evidence": "/id"
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"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 384119,
"published_at": "2020-12-11T16:15:12.167+00:00"
}