CWE Code: 264
Vulnerability Type: privilege_escalation
CVSS Score: 7.2
CWE Name:  Permissions Privileges and Access Controls
Summary: a vulnerability in the bash shell implementation for cisco nx-os software could allow an authenticated, local attacker to bypass the limited command set of the restricted guest shell and execute commands at the privilege level of a network-admin user outside of the guest shell. the attacker must authenticate with valid administrator device credentials. the vulnerability is due to the incorrect implementation of a cli command that allows a bash command to be incorrectly invoked on the guest shell cli. an attacker could exploit this vulnerability by authenticating to the device and entering a crafted command at the guest shell prompt. a successful exploit could allow the attacker to issue commands that should be restricted by a guest shell account.
Access Authentication: NONE
Access Complexity: LOW
Access Vector: LOCAL
Impact (C/I/A): COMPLETE/COMPLETE/COMPLETE
Published Date: 2019-05-15
Last Modified Date: 2019-05-21