Advisory Details

July 17th, 2025

Cisco Identity Services Engine invokeStrongSwanShellScript Command Injection Remote Code Execution Vulnerability

ZDI-25-609
ZDI-CAN-27121

CVE ID CVE-2025-20281
CVSS SCORE 9.8, AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS Cisco
AFFECTED PRODUCTS Identity Services Engine
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Cisco Identity Services Engine. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the implementation of the invokeStrongSwanShellScript method. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root.

ADDITIONAL DETAILS Cisco has issued an update to correct this vulnerability. More details can be found at:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-unauth-rce-ZAd2GnJ6
DISCLOSURE TIMELINE
  • 2025-05-02 - Vulnerability reported to vendor
  • 2025-07-17 - Coordinated public release of advisory
  • 2025-07-17 - Advisory Updated
CREDIT Bobby Gould (@bobbygould5) of Trend Zero Day Initiative
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