CVE-2026-20198

Cisco Integrated Management Controller Cross-Site Scripting Vulnerability

Severity
Medium 4.8
CVSS 3.1
Remote, needs privileges or user interaction what this means
Exploited
Not listed
EPSS
0.003
19.5th percentile
Discovered by
Third party
Vendor-published field
Published
Aug 5, 2026
Assigned by cisco

Description

A vulnerability in the web-based management interface of Cisco Integrated Management Controller (IMC) could allow an authenticated, remote attacker to conduct a cross-site scripting (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.

Weakness: CWE-79

Affected products

Vendor Product Category Matched by
Cisco Cisco Enterprise NFV Infrastructure Software Routing & Switching cna-assigner
Cisco Cisco Unified Computing System (UCS) Other Products cna-assigner
Vendor-reported products (3)
  • Cisco · Cisco Enterprise NFV Infrastructure Software
  • Cisco · Cisco Unified Computing System (Standalone)
  • Cisco · Cisco Unified Computing System E-Series Software (UCSE)

Vendor advisory

cisco-sa-cimc-xss-7EhBFxBp

Cisco Integrated Management Controller Cross-Site Scripting Vulnerability

Cisco’s rating: Medium (advisory CVSS 4.8) · Published Aug 5, 2026

Bug IDs: CSCwt96899 , CSCwu66661 , CSCwu66669

The vendor’s rating applies to the whole advisory and can differ from this CVE’s own CVSS severity. Where this comes from

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