medium5.3
CVE-2026-76447
A vulnerability in the Online Certificate Status Protocol (OCSP) responder of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to ca…
Impact
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
| Vendor | Product | Affected versions |
|---|---|---|
| Cisco | Identity Services Engine Passive Identity Connector | before 3.3.0 Versions 3.3.0, 3.4.0 |
| Cisco | Identity Services Engine | before 3.3.0 Versions 3.3.0, 3.4.0, 3.5.0 |