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CVE-2026-20089

Cisco Integrated Management Controller Cross-Site Scripting Vulnerability

Published: Apr 1, 2026Updated: Apr 3, 2026 Sources: CVE List NVD BDUCWE-79
NVD MITRE
4.8CVSSMEDIUM
EPSS Score
0.2%
Top 85.5%
CISA KEV
Not in KEV
Exploits
0 Known
Remediation
Patch Available

Description

A vulnerability in the web-based management interface of Cisco IMC could allow an authenticated, remote attacker with administrative privileges to conduct a stored 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.

CVSS Vector Breakdown

AV:NAC:LPR:HUI:RS:CC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-79

Affected Products

Integrated Management ControllerCisco Systems Inc.
EmbeddedFirmware
Hardware Firmware / network-adapter
Enterprise NFV Infrastructure SoftwareCisco Systems Inc.
On-prem
Networking Infrastructure / network-management
Cisco Enterprise NFV Infrastructure SoftwareCisco
On-prem
Networking Infrastructure / network-management
Cisco Unified Computing System (Standalone)Cisco
On-premNetwork Device
Networking Infrastructure / router-switch
Cisco Unified Computing System E-Series Software (UCSE)CiscoNetworking Infrastructure
cisco systems inc.commercialUSNetworking Infrastructureaka cisco systems, cisco
ciscocommercialUSNetworking Infrastructureaka cisco systems, cisco systems inc.

Attack Graph

Products CVE Techniques Tactics

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Exploitability

0 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cimc-xss-A2tkgVAB
sec.cloudapps.cisco.com

Timeline

Published
Apr 1, 2026
Last Updated
Apr 3, 2026

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