SB2025062525 - Multiple vulnerabilities in Cisco Identity Services Engine
Published: June 25, 2025 Updated: November 7, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Improper Neutralization of Special Elements in Output Used by a Downstream Component (CVE-ID: CVE-2025-20281)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to improper input validation when handling HTTP requests. A remote non-authenticated attacker can send a specially crafted API request and execute arbitrary code on the system with root privileges.
2) Arbitrary file upload (CVE-ID: CVE-2025-20282)
The vulnerability allows a remote attacker to compromise the vulnerable system.
The vulnerability exists due to missing validation in an internal API that allows arbitrary files to be uploaded onto the system. A remote non-authenticated attacker can upload arbitrary files and execute them as root.
3) Improper Neutralization of Special Elements in Output Used by a Downstream Component (CVE-ID: CVE-2025-20337)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to improper input validation when handling HTTP requests. A remote non-authenticated attacker can send a specially crafted API request and execute arbitrary code on the system with root privileges.
Remediation
Install update from vendor's website.