XML External Entity injection in Cisco Identity Services Engine (ISE) - CVE-2023-20030

 

XML External Entity injection in Cisco Identity Services Engine (ISE) - CVE-2023-20030

Published: February 1, 2023


Vulnerability identifier: #VU71743
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-20030
CWE-ID: CWE-611
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco Identity Services Engine (ISE)

Detailed vulnerability description

The vulnerability allows a remote user to gain access to sensitive information.

The vulnerability exists due to insufficient validation of user-supplied XML input. A remote user with valid Super Admin or Policy Admin credentials can pass a specially crafted XML code to the affected application and view contents of arbitrary files on the system or initiate requests to external systems.

Successful exploitation of the vulnerability may allow an attacker to view contents of arbitrary file on the server or perform network scanning of internal and external infrastructure.


How to mitigate CVE-2023-20030

Install updates from vendor's website.

Sources