CVE-2026-76447 (GCVE-0-2026-76447)
Vulnerability from cvelistv5
Published
2026-09-16 20:24
Modified
2026-09-17 14:03
CWE
  • CWE-306 - Missing Authentication for Critical Function
Summary
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.
Impacted products
Vendor Product Version
Cisco Cisco Identity Services Engine Software Version: 3.1.0
Version: 3.1.0 p1
Version: 3.1.0 p3
Version: 3.1.0 p2
Version: 3.2.0
Version: 3.1.0 p4
Version: 3.1.0 p5
Version: 3.2.0 p1
Version: 3.1.0 p6
Version: 3.2.0 p2
Version: 3.1.0 p7
Version: 3.3.0
Version: 3.2.0 p3
Version: 3.2.0 p4
Version: 3.1.0 p8
Version: 3.2.0 p5
Version: 3.2.0 p6
Version: 3.1.0 p9
Version: 3.3 Patch 2
Version: 3.3 Patch 1
Version: 3.3 Patch 3
Version: 3.4.0
Version: 3.2.0 p7
Version: 3.3 Patch 4
Version: 3.4 Patch 1
Version: 3.1.0 p10
Version: 3.3 Patch 5
Version: 3.3 Patch 6
Version: 3.4 Patch 2
Version: 3.3 Patch 7
Version: 3.4 Patch 3
Version: 3.5.0
Version: 3.4 Patch 4
Version: 3.3 Patch 8
Version: 3.2 Patch 8
Version: 3.5 Patch 1
Version: 3.3 Patch 9
Version: 3.2 Patch 9
Version: 3.4 Patch 5
Version: 3.5 Patch 3
Version: 3.5 Patch 2
Version: 3.3 Patch 10
Version: 3.3 Patch 11
Version: 3.4 Patch 6
Version: 3.2 Patch 10
Version: 3.1.0 p72
Version: 3.1.0 p11
Create a notification for this product.
   Cisco Cisco ISE Passive Identity Connector Version: 3.2.0
Version: 3.1.0
Version: 3.3.0
Version: 3.4.0
Version: 3.5.0
Create a notification for this product.
Show details on NVD website


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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.\\r\\n\\r\\nThis vulnerability is due to missing authentication on a function of the OCSP responder. 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}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


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