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5.3 Medium

CVE-2026-76447 A vulnerability in the Online Certificate Status Protocol (OCSP) responder of Cisco ISE and Cisco ISE-PIC could allow an…

Description

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.

Affected products and versions

Product Affected versions Fixed in
Cisco Identity Services Engine Software 3.5.0 No fix stated
Cisco Identity Services Engine Software 3.4.0 No fix stated
Cisco Identity Services Engine Software 3.3.0 No fix stated
Cisco Identity Services Engine Software 3.2.0 No fix stated
Cisco Identity Services Engine Software 3.1.0 No fix stated
Cisco ISE Passive Identity Connector 3.5.0 No fix stated
Cisco ISE Passive Identity Connector 3.4.0 No fix stated
Cisco ISE Passive Identity Connector 3.3.0 No fix stated
Cisco ISE Passive Identity Connector 3.2.0 No fix stated
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Product Affected versions Fixed in
Cisco ISE Passive Identity Connector 3.1.0 No fix stated

References

Timeline

  1. Published
  2. Last modified

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