Cisco Enterprise NFV Infrastructure Software Web-based Management Interface cross site scripting

Summaryinfo

A vulnerability was found in Cisco Enterprise NFV Infrastructure Software, Unified Computing System and Unified Computing System E-Series Software. It has been classified as problematic. This impacts an unknown function of the component Web-based Management Interface. Performing a manipulation results in cross site scripting. This vulnerability is reported as CVE-2026-20198. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability classified as problematic has been found in Cisco Enterprise NFV Infrastructure Software, Unified Computing System and Unified Computing System E-Series Software (unknown version). This affects an unknown code block of the component Web-based Management Interface. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. The summary by CVE is:

A vulnerability in the web-based management interface of Cisco Integrated Management Controller (IMC) could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface. This vulnerability is due to insufficient validation of user input. An attacker could exploit this vulnerability by persuading a user of an affected interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the browser of the targeted user or access sensitive, browser-based information.

It is possible to read the advisory at sec.cloudapps.cisco.com. This vulnerability is uniquely identified as CVE-2026-20198 since 10/08/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. It demands that the victim is doing some kind of user interaction. 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 08/05/2026). The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

• Virtualization Software

Vendor

• Cisco

Name

• Enterprise NFV Infrastructure Software
• Unified Computing System
• Unified Computing System E-Series Software

License

• commercial

Website

• Vendor: https://www.cisco.com/

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