Vulnerability identifier: #VU35751

Vulnerability risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-1893

CWE-ID: CWE-77

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Enterprise NFV Infrastructure Software
Server applications / Virtualization software

Vendor: Cisco Systems, Inc

Description

The vulnerability allows a local authenticated user to execute arbitrary code.

A vulnerability in Cisco Enterprise NFV Infrastructure Software (NFVIS) could allow an authenticated, local attacker to execute arbitrary commands on the underlying operating system (OS) of an affected device as root. The vulnerability is due to insufficient input validation of a configuration file that is accessible to a local shell user. An attacker could exploit this vulnerability by including malicious input during the execution of this file. A successful exploit could allow the attacker to execute arbitrary commands on the underlying OS as root.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Enterprise NFV Infrastructure Software: 3.9.1

---

External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190703-nfvis-commandinj

---

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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