SB2026091854 - Multiple vulnerabilities in Cisco Identity Services Engine

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Main Vulnerability Database SB2026091854

SB2026091854 - Multiple vulnerabilities in Cisco Identity Services Engine

Published: September 18, 2026

Security Bulletin ID SB2026091854
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 vulnerabilities.


1) Improper Restriction of Names for Files and Other Resources (CVE-ID: CVE-2026-20282)

CWE-ID: CWE-641 - Improper Restriction of Names for Files and Other Resources

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote user to compromise the target system.

The vulnerability exists due to insufficient validation of user-supplied input. A remote administrator can send a specially crafted HTTP request and obtain write access to the underlying operating system.


2) OS Command Injection (CVE-ID: CVE-2026-20283)

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote user to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation in the IPsec Open API endpoint. A remote administrator can pass specially crafted data to the application and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


3) Improper Neutralization of Special Elements in Data Query Logic (CVE-ID: CVE-2026-20284)

CWE-ID: CWE-943 - Improper Neutralization of Special Elements in Data Query Logic

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote user to execute arbitrary SQL queries in database.

The vulnerability exists due to insufficient sanitization of user-supplied data in the SXP REST API. A remote administrator can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.

Successful exploitation of this vulnerability may allow a remote attacker to read, delete, modify data in database and gain complete control over the affected application.


Remediation

Install update from vendor's website.

References