#VU48561 Buffer overflow in Cisco Systems, Inc products - CVE-2020-3470

Vulnerability identifier: #VU48561

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-3470

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
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

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 - 4.1.1c

UCS C-Series Rack Servers in standalone mode: 3.0.1c - 4.1.1c

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

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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