CVE-2026-20076
BaseFortify
Publication date: 2026-01-15
Last updated on: 2026-01-15
Assigner: Cisco Systems, Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| cisco | identity_services_engine | to 3.2_patch_8 (exc) |
| cisco | identity_services_engine | 3.2_patch_8 |
| cisco | identity_services_engine | 3.3_patch_5 |
| cisco | identity_services_engine | 3.4_patch_1 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-79 | The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a stored cross-site scripting (XSS) flaw in the web-based management interface of Cisco Identity Services Engine (ISE). An authenticated remote attacker with valid administrative credentials can inject malicious script code into specific pages of the interface due to insufficient validation of user-supplied input. Successful exploitation allows the attacker to execute arbitrary scripts in the context of the affected interface or access sensitive browser-based information. [1]
How can this vulnerability impact me? :
If exploited, this vulnerability could allow an attacker with administrative access to execute arbitrary scripts within the web interface, potentially leading to unauthorized access to sensitive browser-based information or manipulation of the interface. This could compromise the security and integrity of the management system, although the impact on confidentiality and integrity is considered low and there is no impact on availability. [1]
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, you should upgrade Cisco Identity Services Engine (ISE) to one of the fixed software releases: 3.2 Patch 8, 3.3 Patch 5, or 3.4 Patch 1. Cisco ISE 3.5 is not vulnerable. There are no workarounds available, so upgrading to a fixed release is strongly recommended. Additionally, ensure you consult upgrade guides and verify hardware/software compatibility before upgrading. If you do not have a service contract, contact Cisco TAC for assistance. [1]