Riskcovery

CVE-2026-76447

Cisco Identity Services Engine Certificate Reload Vulnerability

State
Published
Severity
5.3 Medium
Published
Sep 16, 2026
Updated
Sep 17, 2026
Reserved
Aug 19, 2026

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.15.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lcisco

Weaknesses

  • CWE-306 Missing Authentication for Critical Function

Affected Products

ProductVersions
Cisco Identity Services Engine SoftwareCisco
  • 3.1.0Affected
  • 3.1.0 p1Affected
  • 3.1.0 p3Affected
  • 3.1.0 p2Affected
  • 3.2.0Affected
  • 3.1.0 p4Affected
  • 3.1.0 p5Affected
  • 3.2.0 p1Affected
  • 3.1.0 p6Affected
  • 3.2.0 p2Affected
  • 3.1.0 p7Affected
  • 3.3.0Affected
  • 3.2.0 p3Affected
  • 3.2.0 p4Affected
  • 3.1.0 p8Affected
  • 3.2.0 p5Affected
  • 3.2.0 p6Affected
  • 3.1.0 p9Affected
  • 3.3 Patch 2Affected
  • 3.3 Patch 1Affected
  • 3.3 Patch 3Affected
  • 3.4.0Affected
  • 3.2.0 p7Affected
  • 3.3 Patch 4Affected
  • 3.4 Patch 1Affected
  • and 22 more versions
Cisco ISE Passive Identity ConnectorCisco
  • 3.2.0Affected
  • 3.1.0Affected
  • 3.3.0Affected
  • 3.4.0Affected
  • 3.5.0Affected

References

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