title: Cisco Enterprise Network Functions Virtualization Infrastructure Software Arbitrary File Write Vulnerability
description: A vulnerability in Cisco Enterprise Network Functions Virtualization Infrastructure Software (NFVIS) could allow an authenticated, remote attacker with administrator privileges to overwrite files on the underlying operating system (OS) of an affected device. The vulnerability is due to improper input validation in an NFVIS file-system command. An attacker could exploit this vulnerability by using crafted variables during the execution of an affected command. A successful exploit could allow the attacker to overwrite arbitrary files on the underlying OS.
problem types: CWE-20
affected:
{
product: Cisco Enterprise NFV Infrastructure Software
vendor: Cisco
versions:
lessThan: 3.12.1, status: affected, version: unspecified, versionType: custom
}
metrics:
cvssV3_0: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 6.5
baseSeverity: MEDIUM
confidentialityImpact: NONE
integrityImpact: HIGH
privilegesRequired: HIGH
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
version: 3.0
]
exploits: The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.