critical
10
CWE
287
Advisory Published
Updated

CVE-2019-1974: Cisco IMC Supervisor, Cisco UCS Director, and Cisco UCS Director Express for Big Data Authentication Bypass Vulnerability

First published: Wed Aug 21 2019(Updated: )

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.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco Integrated Management Controller Supervisor>=2.2.0.0<=2.2.0.6
Cisco Integrated Management Controller Supervisor=2.1.0.0
Cisco UCS Director>=5.5.0.0<=5.5.0.2
Cisco UCS Director>=6.0.0.0<=6.0.1.3
Cisco UCS Director>=6.5.0.0<=6.5.0.3
Cisco UCS Director>=6.6.0.0<=6.6.1.0
Cisco UCS Director>=6.7.0.0<=6.7.2.0
Cisco UCS Director=6.7\(1.1\)
Cisco UCS Director=6.7\(2.0\)
Cisco UCS Director Express for Big Data>=2.1.0.0<=2.1.0.2
Cisco UCS Director Express for Big Data>=3.0.0.0<=3.0.1.3
Cisco UCS Director Express for Big Data>=3.5.0.0<=3.5.0.3
Cisco UCS Director Express for Big Data>=3.7.0.0<=3.7.2.0
Cisco UCS Director Express for Big Data=3.6.0.0
Cisco UCS Director Express for Big Data=3.6.1.0

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Reference Links

Frequently Asked Questions

  • What is CVE-2019-1974?

    CVE-2019-1974 is 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.

  • How severe is CVE-2019-1974?

    CVE-2019-1974 has a severity value of 9.8, which is considered critical.

  • What is the affected software for CVE-2019-1974?

    The affected software includes Cisco Integrated Management Controller Supervisor, Cisco UCS Director, and Cisco UCS Director Express for Big Data.

  • How can an attacker exploit CVE-2019-1974?

    An attacker can exploit CVE-2019-1974 by bypassing user authentication and gaining access as an administrative user.

  • Where can I find more information about CVE-2019-1974?

    You can find more information about CVE-2019-1974 on the Cisco Security Advisory website.

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