ZDI-CAN-28709: ZDI-26-581: Cisco Identity Services Engine invokeScript Command Injection Remote Code Execution Vulnerability

Published Aug 13, 2026
·
Updated

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Cisco Identity Services Engine. Authentication is required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.2. The following CVEs are assigned: CVE-2026-20147.

Affected Software

1 affected component
Cisco Identity Services Engine

Event History

Aug 13, 2026
Advisory Published
via ZDI·05:00 AM
Data Sourced
via ZDI·05:00 AM
Description

Frequently Asked Questions

1

What is the severity of ZDI-CAN-28709?

ZDI-CAN-28709 has been assigned a CVSS rating of 7.2, indicating a high severity level.

2

How do I fix ZDI-CAN-28709?

To remediate ZDI-CAN-28709, ensure you apply the latest security patches provided by Cisco for Identity Services Engine.

3

What are the consequences of exploiting ZDI-CAN-28709?

Exploitation of ZDI-CAN-28709 could allow remote attackers to execute arbitrary code on affected installations.

4

Who is at risk from ZDI-CAN-28709?

Organizations using vulnerable versions of Cisco Identity Services Engine with inadequate security measures are at risk from ZDI-CAN-28709.

5

Is authentication required to exploit ZDI-CAN-28709?

Yes, exploitation of ZDI-CAN-28709 requires authentication to access the affected systems.

Contact

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