SB2025052218 - Multiple vulnerabilities in Cisco Identity Services Engine (ISE)

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Stored cross-site scripting (CVE-ID: CVE-2025-20267)

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in the web-based management interface. A remote user can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

2) Out-of-bounds read (CVE-ID: CVE-2025-20152)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper handling of certain RADIUS requests in the RADIUS message processing feature. A remote attacker can trigger an out-of-bounds read error and cause a denial of service condition on the system.

Remediation

Install update from vendor's website.

References

• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-stored-xss-Yff54m73
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-restart-ss-uf986G2Q