CVE-2021-34746

Critical

Description

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.

SeverityCritical
CVSS9.8
Exploit probability—
ProductCisco Enterprise Nfv Infrastructure Software
PublishedSep 2, 2021
First seenSep 2, 2021
Weakness typeCWE-289CWE-289

How to fix

Update
  • cisco enterprise_nfv_infrastructure_software4.6.1 or later

Affected products

ProductAffected versionsFixed in
cisco enterprise_nfv_infrastructure_softwarev < 4.6.14.6.1

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CVE-2021-34746 · Cisco Enterprise Nfv Infrastructure Software · Dark Radar