CVE-2026-76439
5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Summary
A vulnerability in the endpoint posture status reporting functionality of the guest portal web application of Cisco ISE could allow an unauthenticated, remote attacker to submit forged posture status events into the endpoint posture pipeline.
This vulnerability is due to insufficient authentication on an internal interface that is exposed through the guest portal. An attacker could exploit this vulnerability by sending a crafted request to an affected system. A successful exploit could allow the attacker to manipulate the posture status on the affected system.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Cisco | Cisco Identity Services Engine Software | 3.1.0 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.1.0 p1 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.1.0 p3 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.1.0 p2 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.2.0 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.1.0 p4 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.1.0 p5 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.2.0 p1 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.1.0 p6 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.2.0 p2 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.1.0 p7 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.3.0 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.2.0 p3 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.2.0 p4 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.1.0 p8 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.2.0 p5 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.2.0 p6 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.1.0 p9 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.3 Patch 2 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.3 Patch 1 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.3 Patch 3 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.4.0 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.2.0 p7 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.3 Patch 4 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.4 Patch 1 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.1.0 p10 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.3 Patch 5 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.3 Patch 6 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.4 Patch 2 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.3 Patch 7 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.4 Patch 3 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.5.0 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.4 Patch 4 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.3 Patch 8 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.2 Patch 8 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.5 Patch 1 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.3 Patch 9 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.2 Patch 9 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.4 Patch 5 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.5 Patch 3 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.5 Patch 2 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.3 Patch 10 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.3 Patch 11 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.4 Patch 6 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.2 Patch 10 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.1.0 p72 | affected |
| Cisco | Cisco Identity Services Engine Software | 3.1.0 p11 | affected |
| Cisco | Cisco ISE Passive Identity Connector | 3.2.0 | affected |
| Cisco | Cisco ISE Passive Identity Connector | 3.1.0 | affected |
| Cisco | Cisco ISE Passive Identity Connector | 3.3.0 | affected |
| Cisco | Cisco ISE Passive Identity Connector | 3.4.0 | affected |
| Cisco | Cisco ISE Passive Identity Connector | 3.5.0 | affected |
Weaknesses
- CWE-306: Missing Authentication for Critical Function
References
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