Remote code execution in Cisco Integrated Management Controller



Published: 2020-11-19
Risk High
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2020-3470
CWE ID CWE-119
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Cisco Integrated Management Controller
Server applications / Remote management servers, RDP, SSH

Cisco 5000 Series Enterprise Network Compute System
Client/Desktop applications / Virtualization software

UCS E-Series Servers
Other software / Other software solutions

UCS S-Series Servers in standalone mode
Other software / Other software solutions

UCS C-Series Rack Servers in standalone mode
Other software / Other software solutions

Vendor Cisco Systems, Inc

Security Advisory

This security advisory describes one high risk vulnerability.

1) Buffer overflow

Risk: High

CVSSv3: 8.5 [CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2020-3470

CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error in the API subsystem. A remote attacker can send a specially crafted HTTP request, trigger memory corruption and execute arbitrary code on the target system.

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

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco Integrated Management Controller: All versions

Cisco 5000 Series Enterprise Network Compute System: before 4.4.1

UCS E-Series Servers: before 3.2.11.3

UCS S-Series Servers in standalone mode: 3.0(1c), 3.0(4q), 4.0(1a), 4.0(4l), 4.1(1c), 4.1(1f), before 3.0(4r), 4.0(4m), 4.1(1g)

UCS C-Series Rack Servers in standalone mode: 3.0(1c), 3.0(4q), 4.0(1a), 4.0(2l), 4.1(1c), 4.1(1f), before 4.0(4m), 4.1(1g), 4.0(2n), 3.0(4r)

CPE External links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucs-api-rce-UXwpeDHd

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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