CVE-2026-76447 DetailsDescription A vulnerability in the Online Certificate Status Protocol (OCSP) responder of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to cause an administrative reload of the OCSP responder certificate and key material.
This vulnerability is due to missing authentication on a function of the OCSP responder. An attacker could exploit this vulnerability by sending a crafted request to an affected device. A successful exploit could allow the attacker to cause the OCSP responder to reload certificate and key material on demand.
Metrics CVSS Version 4.0 CVSS Version 3.x CVSS Version 2.0 SSVC
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Sep 17, 2026 Exploitation: NoneAutomatable: YesTechnical Impact: Partial
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Weakness Enumeration Affected Products Product Versions cisco identity services engine passive identity connector < 3.3.0
3.3.0 patch1
3.3.0 patch10
3.3.0 patch11
3.3.0 patch2
3.3.0 patch3
3.3.0 patch4
3.3.0 patch5
3.3.0 patch6
3.3.0 patch7
3.3.0 patch8
3.3.0 patch9
3.4.0 -
3.4.0 patch1
3.4.0 patch2
3.4.0 patch3
3.4.0 patch4
3.4.0 patch5
3.4.0 patch6
Viewing 5 of 19 versions. View all CPE cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:*:*:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch1:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch10:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch11:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch2:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch3:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch4:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch5:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch6:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch7:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch8:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch9:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:-:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:patch1:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:patch2:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:patch3:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:patch4:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:patch5:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:patch6:*:*:*:*:*:* Remediation No remediation found in references. cisco identity services engine < 3.3.0
3.3.0 patch1
3.3.0 patch10
3.3.0 patch11
3.3.0 patch2
3.3.0 patch3
3.3.0 patch4
3.3.0 patch5
3.3.0 patch6
3.3.0 patch7
3.3.0 patch8
3.3.0 patch9
3.4.0 -
3.4.0 patch1
3.4.0 patch2
3.4.0 patch3
3.4.0 patch4
3.4.0 patch5
3.4.0 patch6
3.5.0 -
3.5.0 patch1
3.5.0 patch2
3.5.0 patch3
Viewing 5 of 23 versions. View all CPE cpe:2.3:a:cisco:identity_services_engine:*:*:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch1:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch10:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch11:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch2:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch3:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch4:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch5:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch6:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch7:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch8:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch9:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine:3.4.0:-:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch1:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch2:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch3:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch4:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch5:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch6:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine:3.5.0:-:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine:3.5.0:patch1:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine:3.5.0:patch2:*:*:*:*:*:* cpe:2.3:a:cisco:identity_services_engine:3.5.0:patch3:*:*:*:*:*:* Remediation No remediation found in references.
Change History 3 change records found show changes