CVE-2026-20300 Cisco ISE - SQL Injection

Cisco ISE contains a SQL injection caused by improper validation of user-supplied input, letting authenticated remote attackers with low-privileged administrative credentials read or modify database data, exploit requires low-privileged admin access.

CVSS base score 7.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.29% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
SQL Injection
Impact
Information Disclosure, Data Tampering
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
Published
16 September 2026
Updated
15 October 2026
Weakness
CWE-89

Vendor fix

Update to the latest available version that addresses this vulnerability.

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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