CVE-2026-20284 Cisco ISE - SQL Injection

Cisco ISE contains a SQL injection caused by insufficient validation of user input in the SXP REST API, letting authenticated remote attackers view or modify database data and cause DoS, exploit requires valid admin credentials and SXP service enabled.

CVSS base score 9.1 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.39% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
SQL Injection
Impact
SQL Injection, Data Tampering, Information Disclosure, Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Published
16 September 2026
Updated
15 October 2026
Weakness
CWE-943

Vendor fix

Update to the latest Cisco ISE version with the fix applied.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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