Vulnerability identifier: #VU20453

Vulnerability risk: Medium

CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-1634

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cisco Integrated Management Controller
Server applications / Remote management servers, RDP, SSH

Vendor: Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to insufficient input validation of user-supplied commands in the Intelligent Platform Management Interface (IPMI). A remote authenticated administrator with access to the network where the IPMI resides can submit a specially crafted input to the affected commands and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

This vulnerability affects the following products that are running Cisco IMC Software:

• UCS C-Series and S-Series Servers in standalone mode
• UCS E-Series Servers
• 5000 Series Enterprise Network Compute System (ENCS) Platforms

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Cisco Integrated Management Controller: 1.5 - 4.0

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190821-imc-cmdinject-1634

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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