CVE-2026-20087

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
0.002
5.7th percentile
Discovered by
Third party
Vendor-published field
Published
Apr 1, 2026
Assigned by cisco

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.

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-A2tkgVAB

Cisco Integrated Management Controller Cross-Site Scripting Vulnerabilities

Cisco’s rating: Medium (advisory CVSS 6.1) · Published Apr 1, 2026 · updated Apr 22, 2026 (revision 1.1)

Bug IDs: CSCwr60930 , CSCwr60933 , CSCwr60939 , CSCwr60943 , CSCwr60944 , CSCwr60948 , CSCws07154 , CSCws07159 , CSCws07239 , CSCws07240 , CSCws07351 , CSCws07501 , CSCws07585 , CSCws07589 , CSCws07591 , CSCws07596 , CSCws07597

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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