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CVE-2025-20296

Cisco UCS Manager Software Stored Software Stored Cross-Site Scripting Vulnerability

MEDIUM
5.4
CVSS Score
Published: August 27, 2025 at 04:23 PM UTC
Updated: September 18, 2026 at 06:39 PM UTC
10 products affected across 1 vendorUcs ManagerUcs 6324Ucs 6332

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

A vulnerability in the web-based management interface of Cisco UCS Manager Software could allow an authenticated, remote attacker 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 data into specific pages of 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 be a member of the Administrator or AAA Administrator role.

Affected

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

Ucs Manager· Cisco
95%
v < 4.2(3p)4.3(2b) ≤ v < 4.3(6a)
Affected range stops below 4.2(3p), so it looks safe — our inference, not a vendor statement
Affected range stops below 4.3(6a), so it looks safe — our inference, not a vendor statement
cisco-ucs-6324 (environment) · cisco-ucs-6332 (environment) · cisco-ucs-6332-16up (environment) · cisco-ucs-6400 (environment) · cisco-ucs-64108 (environment) · cisco-ucs-6454 (environment) · cisco-ucs-6536 (environment) · cisco-ucs-9108 (environment)
Unified Computing System· Cisco
60%
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(1a)4.0(1b)4.0(1c)4.0(1d)4.0(2a)4.0(2b)4.0(2d)4.0(2e)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(2a)4.1(2b)4.1(2c)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(1c)4.2(1d)4.2(1f)4.2(1i)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(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(2b)4.3(2c)4.3(2e)4.3(2f)4.3(3a)4.3(3c)4.3(4a)4.3(4b)4.3(4c)4.3(4d)4.3(4e)4.3(4f)4.3(5a)4.3(5c)4.3(5d)4.3(5e)
Ucs 6324· Ciscodevice
80%
All versions
Ucs 6332· Ciscodevice
80%
All versions
Ucs 6332-16Up· Ciscodevice
80%
All versions
Ucs 6400· Ciscodevice
80%
All versions
Ucs 64108· Ciscodevice
80%
All versions
Ucs 6454· Ciscodevice
80%
All versions
Ucs 6536· Ciscodevice
80%
All versions
Ucs 9108· Ciscodevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucs-xss-Ey6XhyPS

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

5.4MEDIUMcisco
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-79

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