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CVE-2026-76423

Cisco ISE API Authentication Bypass Vulnerability PUBLISHED

Description (CNA)

A vulnerability in the REST API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to gain administrative access to an affected device. This vulnerability is due to the REST API web service being exposed with insufficient authorization checks. An attacker could exploit this vulnerability by sending a crafted HTTP request to the exposed REST API port. A successful exploit could allow the attacker to read and modify ISE configuration and identity data with administrative privileges.

Affected (CNA)

Vendor / productVersions
Cisco / Cisco Identity Services Engine Softwareaffected 3.1.0; affected 3.1.0 p1; affected 3.1.0 p3; affected 3.1.0 p2; affected 3.2.0; affected 3.1.0 p4; affected 3.1.0 p5; affected 3.2.0 p1; affected 3.1.0 p6; affected 3.2.0 p2; affected 3.1.0 p7; affected 3.3.0; affected 3.2.0 p3; affected 3.2.0 p4; affected 3.1.0 p8; affected 3.2.0 p5; affected 3.2.0 p6; affected 3.1.0 p9; affected 3.3 Patch 2; affected 3.3 Patch 1; affected 3.3 Patch 3; affected 3.4.0; affected 3.2.0 p7; affected 3.3 Patch 4; affected 3.4 Patch 1; affected 3.1.0 p10; affected 3.3 Patch 5; affected 3.3 Patch 6; affected 3.4 Patch 2; affected 3.3 Patch 7; affected 3.4 Patch 3; affected 3.5.0; affected 3.4 Patch 4; affected 3.3 Patch 8; affected 3.2 Patch 8; affected 3.5 Patch 1; affected 3.3 Patch 9; affected 3.2 Patch 9; affected 3.4 Patch 5; affected 3.5 Patch 3; affected 3.5 Patch 2; affected 3.3 Patch 10; affected 3.3 Patch 11; affected 3.4 Patch 6; affected 3.2 Patch 10; affected 3.1.0 p72; affected 3.1.0 p11; affected 3.3 Patch 12
Cisco / Cisco ISE Passive Identity Connectoraffected 3.2.0; affected 3.1.0; affected 3.3.0; affected 3.4.0; affected 3.5.0

CWE

CWE-290

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.