Cisco Identity Services Engine Software up to 3.5.0 Web-based Management Interface improper authorization

Summaryinfo

A vulnerability identified as problematic has been detected in Cisco Identity Services Engine Software. Impacted is an unknown function of the component Web-based Management Interface. Performing a manipulation results in improper authorization. This vulnerability is identified as CVE-2026-20072. The attack can be initiated remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Cisco Identity Services Engine Software. This affects some unknown functionality of the component Web-based Management Interface. The manipulation with an unknown input leads to a improper authorization vulnerability. CWE is classifying the issue as CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. This is going to have an impact on confidentiality. The summary by CVE is:

A vulnerability in the web-based management interface of Cisco ISE could allow an authenticated, remote attacker to obtain sensitive information from network users that are outside the security group that the attacker is assigned to.   This vulnerability exists because certain files lack proper authorization enforcement. An attacker with administrative privileges and management rights over network users could exploit this vulnerability by exporting the users. A successful exploit could allow the attacker to view passwords that are normally not visible to administrators. 

It is possible to read the advisory at sec.cloudapps.cisco.com. This vulnerability is uniquely identified as CVE-2026-20072 since 10/08/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. The exploitation needs additional levels of successful authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/16/2026). The attack technique deployed by this issue is T1548.002 according to MITRE ATT&CK.

Upgrading eliminates this vulnerability.

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Productinfo

Type

• Policy Management Software

Vendor

• Cisco

Name

• Identity Services Engine Software

Version

• 3.1.0
• 3.1.0 p1
• 3.1.0 p2
• 3.1.0 p3
• 3.1.0 p4
• 3.1.0 p5
• 3.1.0 p6
• 3.1.0 p7
• 3.1.0 p8
• 3.1.0 p9
• 3.1.0 p10
• 3.1.0 p11
• 3.1.0 p72
• 3.2.0
• 3.2.0 p1
• 3.2.0 p2
• 3.2.0 p3
• 3.2.0 p4
• 3.2.0 p5
• 3.2.0 p6
• 3.2.0 p7
• 3.3.0
• 3.4.0
• 3.5.0

License

• commercial

Website

• Vendor: https://www.cisco.com/

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