---
title: "CVE-2026-20247: Cisco ISE - SQL Injection"
description: "Cisco ISE contains a SQL injection caused by improper validation of user-supplied input, letting unauthenticated remote attackers modify data in the underlying database, exploit requires sending crafted requests."
url: https://panop.io/threat-heartbeat/CVE-2026-20247/
---

# CVE-2026-20247 Cisco ISE - SQL Injection

Cisco ISE contains a SQL injection caused by improper validation of user-supplied input, letting unauthenticated remote attackers modify data in the underlying database, exploit requires sending crafted requests.

CVSS base score 7.5 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.32% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-20247)

## Details

Type

SQL Injection

Impact

Data Tampering

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Published

16 September 2026

Updated

15 October 2026

Weakness

[CWE-89](https://cwe.mitre.org/data/definitions/89.html)

## Vendor fix

Update to the latest Cisco ISE version.

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

- [https://nvd.nist.gov/vuln/detail/CVE-2026-20247](https://nvd.nist.gov/vuln/detail/CVE-2026-20247)
- [https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-sql-inj-3QTKR947](https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-sql-inj-3QTKR947)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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