CVE-2025-20342

Cisco Integrated Management Controller Virtual Keyboard Video Monitor (vKVM) Stored Cross-Site Scripting Vulnerability

Published Aug 27, 2025 CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Cisco

Cisco Unified Computing System (Managed)

unknown

Version	Status	Constraints
`4.0(1a)`	affected	—
`3.2(3n)`	affected	—
`4.1(1a)`	affected	—
`4.1(1b)`	affected	—
`4.0(4h)`	affected	—
`4.1(1c)`	affected	—
`3.2(3k)`	affected	—
`3.2(2c)`	affected	—
`4.0(4e)`	affected	—
`4.0(4g)`	affected	—
`3.2(3i)`	affected	—
`4.0(2e)`	affected	—
`3.2(3g)`	affected	—
`4.0(4a)`	affected	—
`4.0(2d)`	affected	—
`3.2(2d)`	affected	—
`4.0(1b)`	affected	—
`4.0(4f)`	affected	—
`3.2(3h)`	affected	—
`3.2(2f)`	affected	—
`4.0(4c)`	affected	—
`3.2(3a)`	affected	—
`4.0(1c)`	affected	—
`3.2(3d)`	affected	—
`3.2(2b)`	affected	—
`4.0(4b)`	affected	—
`3.2(2e)`	affected	—
`4.0(2b)`	affected	—
`4.0(4d)`	affected	—
`3.2(1d)`	affected	—
`3.2(3e)`	affected	—
`3.2(3l)`	affected	—
`3.2(3b)`	affected	—
`4.0(2a)`	affected	—
`3.2(3j)`	affected	—
`4.0(1d)`	affected	—
`3.2(3o)`	affected	—
`4.0(4i)`	affected	—
`4.1(1d)`	affected	—
`4.1(2a)`	affected	—
`4.1(1e)`	affected	—
`3.2(3p)`	affected	—
`4.1(2b)`	affected	—
`4.0(4k)`	affected	—
`4.1(3a)`	affected	—
`4.1(3b)`	affected	—
`4.1(2c)`	affected	—
`4.0(4l)`	affected	—
`4.1(4a)`	affected	—
`4.1(3c)`	affected	—
`4.1(3d)`	affected	—
`4.2(1c)`	affected	—
`4.2(1d)`	affected	—
`4.0(4m)`	affected	—
`4.1(3e)`	affected	—
`4.2(1f)`	affected	—
`4.1(3f)`	affected	—
`4.2(1i)`	affected	—
`4.1(3h)`	affected	—
`4.2(1k)`	affected	—
`4.2(1l)`	affected	—
`4.0(4n)`	affected	—
`4.2(1m)`	affected	—
`4.1(3i)`	affected	—
`4.2(2a)`	affected	—
`4.2(1n)`	affected	—
`4.1(3j)`	affected	—
`4.2(2c)`	affected	—
`4.2(2d)`	affected	—
`4.2(3b)`	affected	—
`4.1(3k)`	affected	—
`4.0(4o)`	affected	—
`4.2(2e)`	affected	—
`4.2(3d)`	affected	—
`4.2(3e)`	affected	—
`4.2(3g)`	affected	—
`4.1(3l)`	affected	—
`4.3(2b)`	affected	—
`4.2(3h)`	affected	—
`4.2(3i)`	affected	—
`4.3(2c)`	affected	—
`4.1(3m)`	affected	—
`4.3(2e)`	affected	—
`4.3(3a)`	affected	—
`4.2(3j)`	affected	—
`4.3(3c)`	affected	—
`4.3(4a)`	affected	—
`4.2(3k)`	affected	—
`4.3(4b)`	affected	—
`4.3(4c)`	affected	—
`4.2(3l)`	affected	—
`4.3(4d)`	affected	—
`4.3(2f)`	affected	—
`4.2(3m)`	affected	—
`4.3(5a)`	affected	—
`4.3(4e)`	affected	—
`4.1(3n)`	affected	—
`4.3(4f)`	affected	—
`4.2(3n)`	affected	—
`4.3(5c)`	affected	—
`4.2(3o)`	affected	—
`4.3(5d)`	affected	—
`4.3(5e)`	affected	—

Cisco

Cisco Unified Computing System (Standalone)

unknown

Version	Status	Constraints
`2.0(1a)`	affected	—
`4.0(2g)`	affected	—
`2.0(13f)`	affected	—
`3.0(4n)`	affected	—
`2.0(3e)1`	affected	—
`3.0(3e)`	affected	—
`2.0(8h)`	affected	—
`2.0(10g)`	affected	—
`3.1(2i)`	affected	—
`3.0(3c)`	affected	—
`3.0(4m)`	affected	—
`3.1(1d)`	affected	—
`3.0(3a)`	affected	—
`3.0(1d)`	affected	—
`2.0(9o)`	affected	—
`2.0(13n)`	affected	—
`4.0(4i)`	affected	—
`4.1(1c)`	affected	—
`2.0(13q)`	affected	—
`2.0(3j)1`	affected	—
`4.0(2c)`	affected	—
`2.0(9n)`	affected	—
`4.0(1e)`	affected	—
`2.0(13o)`	affected	—
`2.0(6f)`	affected	—
`2.0(10c)`	affected	—
`2.0(8d)`	affected	—
`2.0(9m)`	affected	—
`4.0(2h)`	affected	—
`3.0(4j)`	affected	—
`2.0(10i)`	affected	—
`3.0(3f)`	affected	—
`2.0(10l)`	affected	—
`2.0(12e)`	affected	—
`2.0(12i)`	affected	—
`2.0(10h)`	affected	—
`2.0(13e)`	affected	—
`3.0(4k)`	affected	—
`2.0(10b)`	affected	—
`2.0(6d)`	affected	—
`2.0(12b)`	affected	—
`4.0(4h)`	affected	—
`2.0(12h)`	affected	—
`2.0(10f)`	affected	—
`3.0(4l)`	affected	—
`4.0(1h)`	affected	—
`4.0(2l)`	affected	—
`2.0(3i)`	affected	—
`2.0(3f)3`	affected	—
`3.0(4a)`	affected	—
`2.0(13p)`	affected	—
`2.0(9l)`	affected	—
`2.0(12g)`	affected	—
`2.0(12c)`	affected	—
`2.0(12f)`	affected	—
`2.0(13k)`	affected	—
`3.0(3b)`	affected	—
`2.0(1b)`	affected	—
`3.1(3g)`	affected	—
`2.0(4c)`	affected	—
`4.0(1.240)`	affected	—
`2.0(12d)`	affected	—
`4.0(2f)`	affected	—
`4.0(1g)`	affected	—
`3.0(4d)`	affected	—
`3.0(2b)`	affected	—
`2.0(3d)2`	affected	—
`2.0(3d)1`	affected	—
`2.0(9f)`	affected	—
`2.0(13h)`	affected	—
`3.0(4e)`	affected	—
`2.0(8g)`	affected	—
`4.0(2i)`	affected	—
`2.0(10e)`	affected	—
`2.0(13i)`	affected	—
`2.0(9c)`	affected	—
`2.0(4c)1`	affected	—
`3.0(1c)`	affected	—
`2.0(8e)`	affected	—
`2.0(9e)`	affected	—
`2.0(9p)`	affected	—
`3.1(3i)`	affected	—
`3.0(4i)`	affected	—
`2.0(10k)`	affected	—
`3.0(4o)`	affected	—
`4.0(4d)`	affected	—
`4.1(1d)`	affected	—
`3.1(3c)`	affected	—
`4.0(4k)`	affected	—
`3.1(2d)`	affected	—
`3.1(3a)`	affected	—
`3.1(3j)`	affected	—
`4.0(2d)`	affected	—
`4.1(1f)`	affected	—
`3.0(4p)`	affected	—
`4.0(1c)`	affected	—
`4.0(4f)`	affected	—
`4.0(4c)`	affected	—
`3.1(3d)`	affected	—
`3.1(2g)`	affected	—
`3.1(2c)`	affected	—
`4.0(1d)`	affected	—
`3.1(2e)`	affected	—
`4.0(1a)`	affected	—
`4.0(1b)`	affected	—
`3.1(3b)`	affected	—
`4.0(4b)`	affected	—
`3.1(2b)`	affected	—
`4.0(4e)`	affected	—
`3.1(3h)`	affected	—
`3.0(4q)`	affected	—
`4.0(4l)`	affected	—
`4.1(1g)`	affected	—
`4.1(2a)`	affected	—
`3.0(4r)`	affected	—
`4.0(2n)`	affected	—
`4.1(1h)`	affected	—
`3.1(3k)`	affected	—
`4.1(2b)`	affected	—
`4.0(2o)`	affected	—
`4.0(4m)`	affected	—
`4.1(2d)`	affected	—
`4.1(3b)`	affected	—
`4.0(2p)`	affected	—
`4.1(2e)`	affected	—
`4.1(2f)`	affected	—
`3.0(4s)`	affected	—
`4.0(4n)`	affected	—
`4.0(2q)`	affected	—
`4.1(3c)`	affected	—
`4.0(2r)`	affected	—
`4.1(3d)`	affected	—
`4.1(2g)`	affected	—
`4.1(2h)`	affected	—
`4.1(3f)`	affected	—
`4.1(2j)`	affected	—
`4.1(2k)`	affected	—
`4.1(3h)`	affected	—
`4.2(2a)`	affected	—
`4.1(3i)`	affected	—
`4.2(2f)`	affected	—
`4.2(2g)`	affected	—
`4.2(3b)`	affected	—
`4.1(3l)`	affected	—
`4.2(3d)`	affected	—
`4.3(1.230097)`	affected	—
`4.2(1e)`	affected	—
`4.2(1b)`	affected	—
`4.2(1j)`	affected	—
`4.2(1i)`	affected	—
`4.2(1f)`	affected	—
`4.2(1a)`	affected	—
`4.2(1c)`	affected	—
`4.2(1g)`	affected	—
`4.3(1.230124)`	affected	—
`4.1(2l)`	affected	—
`4.2(3e)`	affected	—
`4.3(1.230138)`	affected	—
`4.2(3g)`	affected	—
`4.3(2.230207)`	affected	—
`4.2(3h)`	affected	—
`4.2(3i)`	affected	—
`4.3(2.230270)`	affected	—
`4.1(3m)`	affected	—
`4.1(2m)`	affected	—
`4.3(2.240002)`	affected	—
`4.3(3.240022)`	affected	—
`4.2(3j)`	affected	—
`4.1(3n)`	affected	—
`4.3(2.240009)`	affected	—
`4.3(3.240043)`	affected	—
`4.3(4.240142)`	affected	—
`4.3(2.240037)`	affected	—
`4.3(2.240053)`	affected	—
`4.3(4.240152)`	affected	—
`4.2(3l)`	affected	—
`4.3(2.240077)`	affected	—
`4.3(4.242028)`	affected	—
`4.3(4.241063)`	affected	—
`4.3(4.242038)`	affected	—
`4.2(3m)`	affected	—
`4.3(2.240090)`	affected	—
`4.3(5.240021)`	affected	—
`4.3(2.240107)`	affected	—
`4.3(4.242066)`	affected	—
`4.2(3n)`	affected	—
`4.3(2.250016)`	affected	—
`4.3(2.250021)`	affected	—
`4.3(2.250022)`	affected	—
`4.3(2.250037)`	affected	—
`4.3(2.250045)`	affected	—
`4.3(4.252001)`	affected	—

Cisco

Cisco Unified Computing System E-Series Software (UCSE)

unknown

Version	Status	Constraints
`3.2.7`	affected	—
`3.2.6`	affected	—
`3.2.4`	affected	—
`3.2.10`	affected	—
`3.2.2`	affected	—
`3.2.3`	affected	—
`2.4.0`	affected	—
`3.2.1`	affected	—
`3.2.11.1`	affected	—
`3.2.8`	affected	—
`3.1.1`	affected	—
`3.0.2`	affected	—
`2.1.0`	affected	—
`2.2.2`	affected	—
`3.1.2`	affected	—
`3.0.1`	affected	—
`2.3.2`	affected	—
`2.3.5`	affected	—
`2.2.1`	affected	—
`3.1.4`	affected	—
`2.4.1`	affected	—
`2.3.1`	affected	—
`3.1.3`	affected	—
`2.3.3`	affected	—
`2.4.2`	affected	—
`3.1.5`	affected	—
`3.1.0`	affected	—
`2.0.0`	affected	—
`3.2.11.3`	affected	—
`3.2.11.5`	affected	—
`3.2.12.2`	affected	—
`3.2.13.6`	affected	—
`3.2.14`	affected	—
`4.11.1`	affected	—
`3.2.15`	affected	—
`4.12.1`	affected	—
`3.2.15.3`	affected	—
`4.12.2`	affected	—
`3.2.16.1`	affected	—
`2.02`	affected	—
`4.00`	affected	—

No data.

Vendor	Product	Versions
Cisco	Unified Computing System Manager	—
Cisco	Virtual Keyboard Video Monitor	—

Remediation

No solution or workaround provided in the CVE record

Tracking

Advisories

Source	ID	Title
EUVD	EUVD-2025-25942	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.

Exploit prediction score: < 1% (0.225% probability within 30 days)

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucs-kvmsxss-6h7AnUyk

History

Aug 27, 2025 10:00 PM First appearance in the feed. Affected vendors updated View changes

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

Aug 27, 2025 6:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Aug 27, 2025 4:45 PM Description updated. Title updated. Weaknesses updated. Added references. Scoring metrics updated View changes

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		https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucs-kvmsxss-6h7AnUyk
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'}`