Vulnerability identifier: #VU46100

Vulnerability risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-3504

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
UCS 6400 Series Fabric Interconnects
Hardware solutions / Routers & switches, VoIP, GSM, etc
Cisco UCS Manager
Client/Desktop applications / Software for system administration

Vendor: Cisco Systems, Inc

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper handling of CLI command parameters in the local management (local-mgmt) CLI. A local user can execute specific commands on the local-mgmt CLI and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

UCS 6400 Series Fabric Interconnects: All versions

Cisco UCS Manager: 4.0

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucs-cli-dos-GQUxCnTe

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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