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CVE-2025-20317

Cisco UCS Virtual Keyboard Video Monitor (vKVM) Open Redirect Vulnerability

HIGH

7.1

CVSS Score

Published: August 27, 2025 at 04:23 PM UTC

Updated: June 17, 2026 at 08:41 AM UTC

2 products affected across 1 vendorUnified Computing SystemUnified Computing System E Series

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Severity

HIGH7.1

Exploit prediction

EPSS 0.4%

SSVC

No known exploit

Description

A vulnerability in the Virtual Keyboard Video Monitor (vKVM) connection handling of Cisco Integrated Management Controller (IMC) could allow an unauthenticated, remote attacker to redirect a user to a malicious website. This vulnerability is due to insufficient verification of vKVM endpoints. An attacker could exploit this vulnerability by persuading a user to click a crafted link. A successful exploit could allow the attacker to redirect a user to a malicious webpage and potentially capture user credentials. Note: The affected vKVM client is also included in Cisco UCS Manager.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Unified Computing System · Cisco

60%

2.0(10b)2.0(10c)2.0(10e)2.0(10f)2.0(10g)2.0(10h)2.0(10i)2.0(10k)2.0(10l)2.0(12b)2.0(12c)2.0(12d)2.0(12e)2.0(12f)2.0(12g)2.0(12h)2.0(12i)2.0(13e)2.0(13f)2.0(13h)2.0(13i)2.0(13k)2.0(13n)2.0(13o)2.0(13p)2.0(13q)2.0(1a)2.0(1b)2.0(3d)1 2.0(3d)2 2.0(3e)1 2.0(3f)3 2.0(3i)2.0(3j)1 2.0(4c)2.0(4c)1 2.0(6d)2.0(6f)2.0(8d)2.0(8e)2.0(8g)2.0(8h)2.0(9c)2.0(9e)2.0(9f)2.0(9l)2.0(9m)2.0(9n)2.0(9o)2.0(9p)3.0(1c)3.0(1d)3.0(2b)3.0(3a)3.0(3b)3.0(3c)3.0(3e)3.0(3f)3.0(4a)3.0(4d)3.0(4e)3.0(4i)3.0(4j)3.0(4k)3.0(4l)3.0(4m)3.0(4n)3.0(4o)3.0(4p)3.0(4q)3.0(4r)3.0(4s)3.1(1d)3.1(2b)3.1(2c)3.1(2d)3.1(2e)3.1(2g)3.1(2i)3.1(3a)3.1(3b)3.1(3c)3.1(3d)3.1(3g)3.1(3h)3.1(3i)3.1(3j)3.1(3k)3.2(1d)3.2(2b)3.2(2c)3.2(2d)3.2(2e)3.2(2f)3.2(3a)3.2(3b)3.2(3d)3.2(3e)3.2(3g)3.2(3h)3.2(3i)3.2(3j)3.2(3k)3.2(3l)3.2(3n)3.2(3o)3.2(3p)4.0(1.240)4.0(1a)4.0(1b)4.0(1c)4.0(1d)4.0(1e)4.0(1g)4.0(1h)4.0(2a)4.0(2b)4.0(2c)4.0(2d)4.0(2e)4.0(2f)4.0(2g)4.0(2h)4.0(2i)4.0(2l)4.0(2n)4.0(2o)4.0(2p)4.0(2q)4.0(2r)4.0(4a)4.0(4b)4.0(4c)4.0(4d)4.0(4e)4.0(4f)4.0(4g)4.0(4h)4.0(4i)4.0(4k)4.0(4l)4.0(4m)4.0(4n)4.0(4o)4.1(1a)4.1(1b)4.1(1c)4.1(1d)4.1(1e)4.1(1f)4.1(1g)4.1(1h)4.1(2a)4.1(2b)4.1(2c)4.1(2d)4.1(2e)4.1(2f)4.1(2g)4.1(2h)4.1(2j)4.1(2k)4.1(2l)4.1(2m)4.1(3a)4.1(3b)4.1(3c)4.1(3d)4.1(3e)4.1(3f)4.1(3h)4.1(3i)4.1(3j)4.1(3k)4.1(3l)4.1(3m)4.1(3n)4.1(4a)4.2(1a)4.2(1b)4.2(1c)4.2(1d)4.2(1e)4.2(1f)4.2(1g)4.2(1i)4.2(1j)4.2(1k)4.2(1l)4.2(1m)4.2(1n)4.2(2a)4.2(2c)4.2(2d)4.2(2e)4.2(2f)4.2(2g)4.2(3b)4.2(3d)4.2(3e)4.2(3g)4.2(3h)4.2(3i)4.2(3j)4.2(3k)4.2(3l)4.2(3m)4.2(3n)4.2(3o)4.3(1.230097)4.3(1.230124)4.3(1.230138)4.3(2.230207)4.3(2.230270)4.3(2.240002)4.3(2.240009)4.3(2.240037)4.3(2.240053)4.3(2.240077)4.3(2.240090)4.3(2.240107)4.3(2.250016)4.3(2.250021)4.3(2.250022)4.3(2.250037)4.3(2.250045)4.3(2b)4.3(2c)4.3(2e)4.3(2f)4.3(3.240022)4.3(3.240043)4.3(3a)4.3(3c)4.3(4.240142)4.3(4.240152)4.3(4.241063)4.3(4.242028)4.3(4.242038)4.3(4.242066)4.3(4.252002)4.3(4a)4.3(4b)4.3(4c)4.3(4d)4.3(4e)4.3(4f)4.3(5.240021)4.3(5a)4.3(5c)4.3(5d)4.3(5e)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: [email protected]

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucs-vkvmorv-CnKrV7HK

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.1HIGHcisco

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: REQUIRED
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: LOW
Availability: NONE

Vector?

Quick Info

StatusDEFERRED

CWE

CWE-601

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