Vulnerability identifier: #VU635

Vulnerability risk: High

CVSSv3.1: 8.6 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-6374

CWE-ID: CWE-77

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cisco Cloud Services Platform 2100
Server applications / Other server solutions

Vendor: Cisco Systems, Inc

Description
The vulnerability allows a remote authenticated user to cause arbitrary command execution on the target system.
The weakness exists due to improper input validation. By sending specially crafted dnslookup request attacker can inject voluntary commands and execute arbitrary code.
Sucessful exploitation of the vulnerability results in arbitrary code execution on the vulnerable system.

Mitigation
Update to 2.1.0.

Vulnerable software versions

Cisco Cloud Services Platform 2100: 2.0

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160921-csp2100-2

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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.