CVE-2019-1900: Cisco Integrated Management Controller Supervisor

High severity, CVSS 7.5. EPSS: 1.9% chance of exploitation in the next 30 days.

A vulnerability in the web server of Cisco Integrated Management Controller (IMC) could allow an unauthenticated, remote attacker to cause the web server process to crash, causing a denial of service (DoS) condition on an affected system. The vulnerability is due to insufficient validation of user-supplied input on the web interface. An attacker could exploit this vulnerability by submitting a crafted HTTP request to certain endpoints of the affected software. A successful exploit could allow an attacker to cause the web server to crash. Physical access to the device may be required for a restart.

Affected products

• Cisco Integrated Management Controller Supervisor: from 4.0.0.0, before 4.0\(2f\) (fixed in 4.0\(2f\))
• Cisco Unified Computing System: version 4.0(1c)hs3 only

Published 2019-08-21. Last modified 2026-06-17.