critical
10
CWE
798
Advisory Published
Updated

CVE-2019-1935: Cisco Integrated Management Controller Supervisor, Cisco UCS Director, and Cisco UCS Director Express for Big Data SCP User Default Credentials Vulnerability

First published: Wed Aug 21 2019(Updated: )

A vulnerability in Cisco Integrated Management Controller (IMC) Supervisor, Cisco UCS Director, and Cisco UCS Director Express for Big Data could allow an unauthenticated, remote attacker to log in to the CLI of an affected system by using the SCP User account (scpuser), which has default user credentials. The vulnerability is due to the presence of a documented default account with an undocumented default password and incorrect permission settings for that account. Changing the default password for this account is not enforced during the installation of the product. An attacker could exploit this vulnerability by using the account to log in to an affected system. A successful exploit could allow the attacker to execute arbitrary commands with the privileges of the scpuser account. This includes full read and write access to the system's database.

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=6.0.0.0
Cisco UCS Director=6.5.0.0
Cisco UCS Director=6.6.0.0
Cisco UCS Director=6.6.1.0
Cisco UCS Director=6.7\(0.0.67265\)
Cisco UCS Director=6.7.0.0
Cisco UCS Director=6.7.1.0
Cisco UCS Director Express for Big Data=3.0.0.0
Cisco UCS Director Express for Big Data=3.5.0.0
Cisco UCS Director Express for Big Data=3.6.0.0
Cisco UCS Director Express for Big Data=3.7.0.0
Cisco UCS Director Express for Big Data=3.7.1.0

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Reference Links

Frequently Asked Questions

  • What is CVE-2019-1935?

    CVE-2019-1935 is a vulnerability in Cisco Integrated Management Controller (IMC) Supervisor, Cisco UCS Director, and Cisco UCS Director Express for Big Data.

  • How severe is CVE-2019-1935?

    CVE-2019-1935 has a severity rating of 9.8 (critical).

  • What software is affected by CVE-2019-1935?

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

  • How does CVE-2019-1935 allow an attacker to log in?

    CVE-2019-1935 allows an unauthenticated, remote attacker to log in to the CLI of an affected system using the SCP User account (scpuser), which has default user credentials.

  • Are there any references for CVE-2019-1935?

    Yes, you can find more information about CVE-2019-1935 at the following links: [Link1](http://packetstormsecurity.com/files/154239/Cisco-UCS-IMC-Supervisor-Authentication-Bypass-Command-Injection.html), [Link2](http://packetstormsecurity.com/files/154305/Cisco-UCS-Director-Default-scpuser-Password.html), and [Link3](http://seclists.org/fulldisclosure/2019/Aug/36).

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