Advisoriesby IbisCiscoCVE-2026-76447
Cisco Identity Services Engine Software: missing authentication
No fix yet
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 versions
| Package | Affected | Fixed in |
|---|---|---|
| Cisco ISE Passive Identity Connector Product | <= 3.2.0 | No fix yet |
| <= 3.1.0 | No fix yet | |
| <= 3.3.0 | No fix yet | |
| <= 3.4.0 | No fix yet | |
| Cisco Identity Services Engine Software Product | <= 3.1.0 | No fix yet |
| <= 3.1.0 p1 | No fix yet | |
| <= 3.1.0 p3 | No fix yet | |
| <= 3.1.0 p2 | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-306