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CVE-2026-20284— Cisco Identity Search Engine SXP REST API SQL Injection Vulnerability

Quick assessment

Affected
Cisco Cisco Identity Services Engine Software
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

A vulnerability in the SXP REST API of Cisco ISE could allow an authenticated, remote attacker to conduct SQL injection attacks. This vulnerability is due to insufficient validation of user-supplied input in REST API calls. An attacker could exploit this vulne

CVSS 9.1 · Critical
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I. Basic Information for CVE-2026-20284

Vulnerability Information

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Vulnerability Title
Cisco Identity Search Engine SXP REST API SQL Injection Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the SXP REST API of Cisco ISE could allow an authenticated, remote attacker to conduct SQL injection attacks. This vulnerability is due to insufficient validation of user-supplied input in REST API calls. An attacker could exploit this vulnerability by sending crafted input to an affected device. A successful exploit could allow the attacker to view or modify data on the underlying database for the affected device. In single-node deployments, successful exploitation of this vulnerability could cause the affected ISE node to become unavailable, resulting in a DoS condition. In that condition, endpoints that have not already authenticated would be unable to access the network until the node is restored. To exploit this vulnerability, the attacker must have valid administrative credentials, have the SXP service enabled, and have at least one SXP connection configured.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
数据查询逻辑中特殊元素的不当中和
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Cisco Cisco Identity Services Engine Software 3.1.0 -

II. Public POCs for CVE-2026-20284

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III. Intelligence Information for CVE-2026-20284

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Vendor Advisories for CVE-2026-20284 (1)

Same Patch Batch · Cisco · 2026-09-16 · 79 CVEs total

CVE-2026-76423 10.0 CRITICAL Cisco ISE API Authentication Bypass Vulnerability
CVE-2026-76460 10.0 CRITICAL Cisco Identity Services Engine Authentication Bypass Vulnerability
CVE-2026-20130 10.0 CRITICAL Cisco Identity Services Engine Hardening Release - Improper Neutralization Vulnerabilities
CVE-2026-20192 10.0 CRITICAL Cisco Identity Services Engine Hardening Release - Access Control Vulnerabilities
CVE-2026-20332 9.9 CRITICAL Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software
CVE-2026-20324 9.9 CRITICAL Cisco Secure Firewall Management Center sftunnel Root Arbitrary Code Exectution Vulnerabil
CVE-2026-20325 9.9 CRITICAL Cisco Nexus Dashboard Software Security Hardening Release September 2026 - Improper Neutra
CVE-2026-20330 9.9 CRITICAL Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software
CVE-2026-20322 9.9 CRITICAL Cisco Nexus Dashboard Software Security Hardening Release September 2026 - Improper Access
CVE-2026-20329 9.9 CRITICAL Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software
CVE-2026-20234 9.9 CRITICAL Cisco Identity Services Engine Hardening Release - Insuffiencently Protected Credential Vu
CVE-2026-20307 9.9 CRITICAL Cisco Identity Services Engine Remote Code Execution Vulnerability
CVE-2026-20326 9.8 CRITICAL Cisco Nexus Dashboard Software Security Hardening Release September 2026 - Missing Authent
CVE-2026-20242 9.8 CRITICAL Cisco Secure Firewall Management Center Software Java Deserialization Remote Code Executio
CVE-2026-20331 9.6 CRITICAL Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software
CVE-2026-20341 9.1 CRITICAL Cisco Secure Firewall Management Center Software sftunnel Deserialization Root Command Exe
CVE-2026-20176 9.1 CRITICAL Cisco Identity Services Engine Remote Code Execution Vulnerability
CVE-2026-20237 9.1 CRITICAL Cisco Identity Services Engine Hardening Release - Input Validation Vulnerabilities
CVE-2026-20306 9.1 CRITICAL Cisco Identity Services Engine Command Injection Vulnerability
CVE-2026-20194 9.1 CRITICAL Cisco Identity Services Engine Hardening Release - Incorrect Resource Transfer Vulnerabili

Showing top 20 of 79 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Cisco Identity Services Engine Software
Same vendor: Cisco
Same weakness: CWE-943

V. Comments for CVE-2026-20284

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