High
Security advisory
A flaw was found in Cockpit in versions prior to 260 in the way it handles the certificate verification performed by the System Security Services Daemon (SSSD). This flaw allows client certificates to authenticate successfully, regardless of the Certificate Revocation List (CRL) configuration or the certificate status. The highest threat from this vulnerability is to confidentiality.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-3698
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 08:19 UTC · Revision 1
Source evidence
A flaw was found in Cockpit in versions prior to 260 in the way it handles the certificate verification performed by the System Security Services Daemon (SSSD). This flaw allows client certificates to authenticate successfully, regardless of the Certificate Revocation List (CRL) configuration or the certificate status. The highest threat from this vulnerability is to confidentiality.
osv:CVE-2021-3698
Complete source record
{
"id": "9c2e1c0e7a93f6d2e2413fec8c6c5eb444aa4e4e58f8c899b378f7b7fece28b3",
"url": "https://osv.dev/vulnerability/CVE-2021-3698",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-3698",
"summary": "A flaw was found in Cockpit in versions prior to 260 in the way it handles the certificate verification performed by the System Security Services Daemon (SSSD). This flaw allows client certificates to authenticate successfully, regardless of the Certificate Revocation List (CRL) configuration or the certificate status. The highest threat from this vulnerability is to confidentiality.",
"evidence": "osv:CVE-2021-3698",
"products": [],
"severity": "high",
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"aliases": [
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"metrics": [
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"affected": [
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"database_specific": {
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}
}
],
"modified": "2026-10-24T10:31:05.874600211Z",
"provider": "osv",
"references": [
"https://bugzilla.redhat.com/show_bug.cgi?id=1992149"
],
"provider_metadata": {
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{
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],
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},
"related_cves": [
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"evidence": "/id"
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"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 440873,
"published_at": "2022-03-10T17:42:57.783+00:00"
}