Cisco Finesse up to 15.0(1)SU1 Link file inclusion

Summaryinfo

A vulnerability classified as critical was found in Cisco Finesse. Affected is an unknown function of the component Link Handler. Executing a manipulation can lead to file inclusion. This vulnerability appears as CVE-2026-20175. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Cisco Finesse and classified as critical. This vulnerability affects an unknown function of the component Link Handler. The manipulation with an unknown input leads to a file inclusion vulnerability. The CWE definition for the vulnerability is CWE-73. The product allows user input to control or influence paths or file names that are used in filesystem operations. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A vulnerability in Cisco Finesse could allow an unauthenticated, remote attacker to load arbitrary files from remote locations into an active user session on an affected device, possibly leading to browser-based attacks. This vulnerability is due to insufficient validation of user-supplied input for HTTP requests that are sent to an affected device. An attacker who has knowledge of the address of the affected device could exploit this vulnerability by persuading a user to click a crafted link that contains the affected device address. A successful exploit could allow the attacker to conduct browser-based attacks and execute arbitrary script code in the context of the affected interface or access sensitive information on the affected device.

The advisory is available at sec.cloudapps.cisco.com. This vulnerability was named CVE-2026-20175 since 10/08/2025. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 06/03/2026).

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

• Cisco

Name

• Finesse

Version

• 10.5(1)
• 10.5(1)ES1
• 10.5(1)ES2
• 10.5(1)ES3
• 10.5(1)ES4
• 10.5(1)ES5
• 10.5(1)ES6
• 10.5(1)ES7
• 10.5(1)ES8
• 10.5(1)ES9
• 10.5(1)ES10
• 11.0(1)
• 11.0(1)ES1
• 11.0(1)ES2
• 11.0(1)ES3
• 11.0(1)ES4
• 11.0(1)ES5
• 11.0(1)ES6
• 11.0(1)ES7
• 11.0(1)ES_Rollback
• 11.5(1)
• 11.5(1)ES1
• 11.5(1)ES2
• 11.5(1)ES3
• 11.5(1)ES4
• 11.5(1)ES5
• 11.5(1)ES6
• 11.6(1)
• 11.6(1)ES
• 11.6(1)ES1
• 11.6(1)ES2
• 11.6(1)ES3
• 11.6(1)ES4
• 11.6(1)ES5
• 11.6(1)ES6
• 11.6(1)ES7
• 11.6(1)ES8
• 11.6(1)ES9
• 11.6(1)ES10
• 11.6(1)ES11
• 11.6(1)FIPS
• 12.0(1)
• 12.0(1)ES1
• 12.0(1)ES2
• 12.0(1)ES3
• 12.0(1)ES4
• 12.0(1)ES5
• 12.0(1)ES6
• 12.0(1)ES7
• 12.0(1)ES8
• 12.5(1)
• 12.5(1)ES1
• 12.5(1)ES2
• 12.5(1)ES3
• 12.5(1)ES4
• 12.5(1)ES5
• 12.5(1)ES6
• 12.5(1)ES7
• 12.5(1)ES8
• 12.5(1)SU
• 12.5(1)SU ES1
• 12.5(1)SU ES2
• 12.5(1)SU ES3
• 12.5(1)_SU
• 12.5(2)
• 12.6(1)
• 12.6(1)ES1
• 12.6(1)ES2
• 12.6(1)ES3
• 12.6(1)ES4
• 12.6(1)ES5
• 12.6(1)ES6
• 12.6(1)ES7
• 12.6(1)ES7_ET
• 12.6(1)ES8
• 12.6(1)ES9
• 12.6(1)ES10
• 12.6(1)ES11
• 12.6(2)
• 12.6(2)ES1
• 12.6(2)ES2
• 12.6(2)ES3
• 12.6(2)ES4
• 12.6(2)ES5
• 12.6(2)ES6
• 12.6(2)ES7
• 15.0(1)
• 15.0(1)ES202508
• 15.0(1)ES202511
• 15.0(1)ES202602
• 15.0(1)SU1

License

• commercial

Website

• Vendor: https://www.cisco.com/

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