Vulnerability identifier: #VU9471

Vulnerability risk: Low

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-12343

CWE-ID: CWE-918

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cisco Data Center Network Manager
Server applications / Remote management servers, RDP, SSH

Vendor: Cisco Systems, Inc

Description

The disclosed vulnerability allows a remote authenticated attacker to perform SSRF attack.

The vulnerability exists due to insufficient server-side validation of user-supplied data in HTTP payloads. A remote attacker can send specially crafted HTTP payloads, bypass server-side protections and inject arbitrary values into DCNM configuration parameters.

Mitigation
The vulnerability is addressed in the following versions: 10.4(1.34)S0,l 10.4(1)S9.

Vulnerable software versions

Cisco Data Center Network Manager: 10.3.1 S3

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-dcnm

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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.