CVE-2021-34746
Assigner: cisco
Published: 2021-09-01T00:00:00
State: PUBLISHED
affected: product: Cisco Enterprise NFV Infrastructure Software 
vendor: Cisco
versions: status: affected
version: n/a
datePublic: 2021-09-01T00:00:00
descriptions: value: A vulnerability in the TACACS+ authentication, authorization and accounting (AAA) feature of Cisco Enterprise NFV Infrastructure Software (NFVIS) could allow an unauthenticated, remote attacker to bypass authentication and log in to an affected device as an administrator. This vulnerability is due to incomplete validation of user-supplied input that is passed to an authentication script. An attacker could exploit this vulnerability by injecting parameters into an authentication request. A successful exploit could allow the attacker to bypass authentication and log in as an administrator to the affected device.
exploits: value: The Cisco Product Security Incident Response Team (PSIRT) is aware that proof-of-concept exploit code is available for the vulnerability described in this advisory. 
metrics: cvssV3_1: attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 9.8
baseSeverity: CRITICAL
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
version: 3.1
problemTypes: descriptions: cweId: CWE-289
description: CWE-289
type: CWE
source: advisory: cisco-sa-nfvis-g2DMVVh
defect: CSCvz16015
discovery: INTERNAL
title: Cisco Enterprise NFV Infrastructure Software Authentication Bypass Vulnerability