【Vulnerability Alert】Critical Security Vulnerability in Cisco Integrated Management Controller (CVE-2026-20200)

• Subject: 【Vulnerability Alert】Critical Security Vulnerability in Cisco Integrated Management Controller (CVE-2026-20200)

• Description:
  • Forwarded Security Alert from TWCERT/CC (Taiwan Computer Emergency Response Team/Coordination Center) TWCERTCC-200-202608-00000003
  • Cisco Integrated Management Controller (IMC) is a management tool specifically designed for Cisco Unified Computing System (UCS) servers, providing remote server monitoring, configuration, and management capabilities. Cisco recently released a critical security advisory (CVE-2026-20200, CVSS: 8.8). This vulnerability allows an authenticated remote attacker to execute arbitrary code or commands on the underlying affected operating system and elevate privileges to root.
• Affected Platforms:
  • UCS C-Series M7 and M8 Rack Servers in standalone mode
• Recommendations:
  • Apply patches according to the solution provided on the official website: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cimc-arg-inject-upSHdMfU
• Reference Information:
  1. https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cimc-arg-inject-upSHdMfU
  2. https://nvd.nist.gov/vuln/detail/CVE-2026-20200

Computer and Communication Center
Network Systems Division