A vulnerability in the Virtual Keyboard Video Monitor (vKVM) connection handling of Cisco Integrated Management Controller (IMC) could allow an authenticated, remote attacker with low privileges to conduct a stored cross-site scripting (XSS) attack against a user of the interface.

This vulnerability is due to insufficient validation of user-supplied input by the web-based management interface of an affected system. An attacker could exploit this vulnerability by injecting malicious code into a specific data field in the interface. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information. To exploit this vulnerability, the attacker must have valid user credentials with privileges that allow for vKVM access on the affected device.
Note: The affected vKVM client is also included in Cisco UCS Manager.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00036.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Cisco
  • Unified Computing System Manager
  • Virtual Keyboard Video Monitor

No data.

No data.

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Vendors Products
Cisco
  • Unified Computing System Manager
  • Virtual Keyboard Video Monitor
References
Link Providers
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucs-kvmsxss-6h7AnUyk cve-icon cve-icon
History

Wed, 27 Aug 2025 22:00:00 +0000

Type Values Removed Values Added
First Time appeared Cisco
Cisco unified Computing System Manager
Cisco virtual Keyboard Video Monitor
Vendors & Products Cisco
Cisco unified Computing System Manager
Cisco virtual Keyboard Video Monitor

Wed, 27 Aug 2025 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 27 Aug 2025 16:45:00 +0000

Type Values Removed Values Added
Description A vulnerability in the Virtual Keyboard Video Monitor (vKVM) connection handling of Cisco Integrated Management Controller (IMC) could allow an authenticated, remote attacker with low privileges to conduct a stored cross-site scripting (XSS) attack against a user of the interface. This vulnerability is due to insufficient validation of user-supplied input by the web-based management interface of an affected system. An attacker could exploit this vulnerability by injecting malicious code into a specific data field in the interface. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information. To exploit this vulnerability, the attacker must have valid user credentials with privileges that allow for vKVM access on the affected device. Note: The affected vKVM client is also included in Cisco UCS Manager.
Title Cisco Integrated Management Controller Virtual Keyboard Video Monitor (vKVM) Stored Cross-Site Scripting Vulnerability
Weaknesses CWE-80
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'}
cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published:

Updated: 2025-08-27T17:38:30.823Z

Reserved: 2024-10-10T19:15:13.255Z

Link: CVE-2025-20342

cve-icon Vulnrichment

Updated: 2025-08-27T17:19:46.771Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-08-27T17:15:36.380

Modified: 2025-08-29T16:24:09.860

Link: CVE-2025-20342

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-08-27T21:57:33Z