5.3
Medium
CVE-2026-20241 Cisco Identity Services Engine Authorization Bypass Vulnerability
Description
A vulnerability in the authorization mechanism of Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow an unauthenticated, remote attacker to obtain an endpoint identity certificate. This vulnerability is due to improper authorization checks. An attacker could exploit this vulnerability by sending a crafted request to an affected device. A successful exploit could allow the attacker to bypass authorization to obtain an endpoint certificate.
CVSS 3.1 detail
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NExploitable remotely over the network, without an account and without any user action; the impact on data or service is limited.
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- Interaction
- None
- Scope
- Unchanged
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Cisco Identity Services Engine Software | 3.5.0 | No fix stated |
| Cisco Identity Services Engine Software | 3.4.0 | No fix stated |
| Cisco Identity Services Engine Software | 3.3.0 | No fix stated |
| Cisco Identity Services Engine Software | 3.2.0 | No fix stated |
| Cisco Identity Services Engine Software | 3.1.0 | No fix stated |
| Cisco ISE Passive Identity Connector | 3.5.0 | No fix stated |
| Cisco ISE Passive Identity Connector | 3.4.0 | No fix stated |
| Cisco ISE Passive Identity Connector | 3.3.0 | No fix stated |
| Cisco ISE Passive Identity Connector | 3.2.0 | No fix stated |
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| Product | Affected versions | Fixed in |
|---|---|---|
| Cisco ISE Passive Identity Connector | 3.1.0 | No fix stated |
References
- cisco-sa-ise-cert-mE9BD5GO sec.cloudapps.cisco.com
Timeline
- Published
- Last modified
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