CVE-2025-20337: Cisco Identity Services Engine Injection Vulnerability

Published Jul 16, 2025
·
Updated

A vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to execute arbitrary code on the underlying operating system as root. The attacker does not require any valid credentials to exploit this vulnerability. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by submitting a crafted API request. A successful exploit could allow the attacker to obtain root privileges on an affected device.

Other sources

Cisco Identity Services Engine contains an injection vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC due to insufficient validation of user-supplied input allowing an attacker to exploit this vulnerability by submitting a crafted API request. Successful exploitation could allow an attacker to perform remote code execution and obtaining root privileges on an affected device.

CISA

Affected Software

21 affected components
Cisco ISE
Cisco ISE-PIC
Cisco Identity Services Engine=3.3.0
Cisco Identity Services Engine=3.3.0-patch1
Cisco Identity Services Engine=3.3.0-patch2
Cisco Identity Services Engine=3.3.0-patch3
Cisco Identity Services Engine=3.3.0-patch4
Cisco Identity Services Engine=3.3.0-patch5
Cisco Identity Services Engine=3.3.0-patch6
Cisco Identity Services Engine=3.4.0
Cisco Identity Services Engine=3.4.0-patch1
Cisco Identity Services Engine Passive Identity Connector=3.3.0
Cisco Identity Services Engine Passive Identity Connector=3.3.0-patch1
Cisco Identity Services Engine Passive Identity Connector=3.3.0-patch2
Cisco Identity Services Engine Passive Identity Connector=3.3.0-patch3
Cisco Identity Services Engine Passive Identity Connector=3.3.0-patch4
Cisco Identity Services Engine Passive Identity Connector=3.3.0-patch5
Cisco Identity Services Engine Passive Identity Connector=3.3.0-patch6
Cisco Identity Services Engine Passive Identity Connector=3.4.0
Cisco Identity Services Engine Passive Identity Connector=3.4.0-patch1
Cisco Identity Services Engine

Event History

Jul 16, 2025
CVE Published
via MITRE·04:17 PM
Data Sourced
via MITRE·04:17 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:15 PM
DescriptionSeverityWeaknessAffected Software
Jul 17, 2025
News Published
via BleepingComputer·03:53 PM
News Published
via BleepingComputer·03:55 PM
News Published
via The Register·06:44 PM
News Published
via The Register·06:47 PM
Jul 22, 2025
News Published
via BleepingComputer·02:40 PM
Jul 24, 2025
News Published
via The Register·06:28 PM
Jul 28, 2025
Known Exploited
via CISA·12:00 AM
Data Sourced
via CISA·12:00 AM
RemedyDescriptionAffected Software
News Published
via BleepingComputer·05:29 PM
Aug 15, 2025
News Published
via The Register·05:37 PM
Nov 12, 2025
News Published
via BleepingComputer·02:00 PM
News Published
via The Register·05:16 PM
Jan 8, 2026
News Published
via BleepingComputer·09:13 AM
News Published
via The Register·06:43 PM
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2025-20337?

CVE-2025-20337 is rated as critical due to its potential for unauthenticated remote code execution.

2

How do I fix CVE-2025-20337?

To mitigate CVE-2025-20337, apply the latest security patches provided by Cisco for the affected ISE and ISE-PIC versions.

3

What products are affected by CVE-2025-20337?

CVE-2025-20337 affects Cisco ISE and Cisco ISE-PIC products.

4

What type of access is required to exploit CVE-2025-20337?

CVE-2025-20337 can be exploited by an unauthenticated attacker, meaning no valid credentials are required.

5

What could an attacker achieve by exploiting CVE-2025-20337?

Exploiting CVE-2025-20337 allows attackers to execute arbitrary code on the underlying operating system with root privileges.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203