Auth bypass in Cisco Unified Computing System Director

CVE-2019-1974

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.

Vulnerability class: Broken Authentication

EPSS: 0.045 (90.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-1974?
CVE-2019-1974 is a critical-severity vulnerability in Cisco Unified Computing System Director, classified under Improper Authentication. CVSS score: 9.8/10. Published 2019-08-21.
How severe is CVE-2019-1974?
Critical severity. CVSS v3 base score is 9.8 out of 10.