CVE-2019-1974: Cisco Integrated Management Controller Supervisor

Critical severity, CVSS 9.8. EPSS: 4.5% chance of exploitation in the next 30 days.

A vulnerability in the web-based management interface of Cisco Integrated Management Controller (IMC) Supervisor, Cisco UCS Director, and Cisco UCS Director Express for Big Data could allow an unauthenticated, remote attacker to bypass user authentication and gain access as an administrative user. The vulnerability is due to insufficient request header validation during the authentication process. An attacker could exploit this vulnerability by sending a series of malicious requests to an affected device. An exploit could allow the attacker to gain full administrative access to the affected device.

Affected products

• Cisco Integrated Management Controller Supervisor: from 2.2.0.0, up to and including 2.2.0.6; version 2.1.0.0 only
• Cisco Ucs Director: from 5.5.0.0, up to and including 5.5.0.2; from 6.0.0.0, up to and including 6.0.1.3; from 6.5.0.0, up to and including 6.5.0.3; from 6.6.0.0, up to and including 6.6.1.0; from 6.7.0.0, up to and including 6.7.2.0; version 6.7(1.1) only; …
• Cisco Ucs Director Express For Big Data: from 2.1.0.0, up to and including 2.1.0.2; from 3.0.0.0, up to and including 3.0.1.3; from 3.5.0.0, up to and including 3.5.0.3; from 3.7.0.0, up to and including 3.7.2.0; version 3.6.0.0 only; version 3.6.1.0 only

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