Improper access control in Cisco IMC Supervisor, Cisco UCS Director, and Cisco UCS Director Express for Big Data



Published: 2020-05-07
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-3329
CWE-ID CWE-284
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Cisco Integrated Management Controller Supervisor
Web applications / Remote management & hosting panels

Cisco UCS Director
Server applications / Other server solutions

Cisco UCS Director Express for Big Data
Server applications / Other server solutions

Vendor Cisco Systems, Inc

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper access control

EUVDB-ID: #VU27582

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-3329

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to incorrect allocation of the enable/disable action button under the role-based access control code. A remote user with read-only permission can update the roles of other users to disable them, including administrative users.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco Integrated Management Controller Supervisor: 1.1.0.0

Cisco UCS Director: 5.4.0.0

Cisco UCS Director Express for Big Data: 2.0.0.0

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucsd-Ar6BAguz


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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