SB2025062525 - Multiple vulnerabilities in Cisco Identity Services Engine

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2025062525

SB2025062525 - Multiple vulnerabilities in Cisco Identity Services Engine

Published: June 25, 2025 Updated: November 7, 2025

Security Bulletin ID SB2025062525
CSH Severity
Critical
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Critical 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 vulnerabilities.


1) Improper Neutralization of Special Elements in Output Used by a Downstream Component (CVE-ID: CVE-2025-20281)

CWE-ID: CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red


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)

CWE-ID: CWE-434 - Unrestricted Upload of File with Dangerous Type

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Red


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)

CWE-ID: CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red


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.

References