CVE-2019-12634: Cisco Integrated Management Controller Supervisor, Cisco UCS Director, and Cisco UCS Director Express for Big Data Denial of Service Vulnerability

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-08-21 · updated 2026-06-17
Weakness: CWE-264

Description

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 cause a denial of service (DoS) condition. The vulnerability is due to a missing authentication check in an API call. An attacker who can send a request to an affected system could cause all currently authenticated users to be logged off. Repeated exploitation could cause the inability to maintain a session in the web-based management portal.

Affected products

Cisco Integrated Management Controller: from 2.2.0.3 through 2.2.0.6
Cisco UCS Director: from 6.7.0.0 through 6.7.2.0; 6.6.0.0, 6.6.1.0
Cisco Ucs Director Express For Big Data: from 3.7.0.0 through 3.7.2.0; 3.6.0.0, 3.6.1.0

References

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