CVE-2018-0306: OS Command Injection
A vulnerability in the CLI parser of Cisco NX-OS Software could allow an authenticated, local attacker to perform a command-injection attack on an affected device. The vulnerability is due to insufficient input validation of command arguments. An attacker could exploit this vulnerability by injecting malicious command arguments into a vulnerable CLI command. A successful exploit could allow the attacker to execute arbitrary commands with root privileges on the affected device. Note: This vulnerability requires that any feature license is uploaded to the device. The vulnerability does not require that the license be used. This vulnerability affects MDS 9000 Series Multilayer Switches, Nexus 1000V Series Switches, Nexus 1100 Series Cloud Services Platforms, Nexus 2000 Series Fabric Extenders, Nexus 3000 Series Switches, Nexus 3500 Platform Switches, Nexus 3600 Platform Switches, Nexus 5500 Platform Switches, Nexus 5600 Platform Switches, Nexus 6000 Series Switches, Nexus 7000 Series Switches, Nexus 7700 Series Switches, Nexus 9000 Series Switches in standalone NX-OS mode, Nexus 9500 R-Series Line Cards and Fabric Modules. Cisco Bug IDs: CSCve51693, CSCve91634, CSCve91659, CSCve91663.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2018-0306?
CVE-2018-0306 has a high severity level due to the potential for command injection attacks on affected Cisco NX-OS devices.
How do I fix CVE-2018-0306?
To fix CVE-2018-0306, upgrade your Cisco NX-OS software to a version that is not affected by this vulnerability.
What devices are affected by CVE-2018-0306?
CVE-2018-0306 affects Cisco NX-OS devices specifically running versions up to 7.3(3)n1(1) and various versions of Cisco NX-OS 8.1.
Can CVE-2018-0306 be exploited remotely?
No, CVE-2018-0306 requires local authentication for exploitation, limiting risk to users with local access.
What type of attack can CVE-2018-0306 lead to?
CVE-2018-0306 can lead to command injection attacks, which may allow an authenticated attacker to execute arbitrary commands on the affected device.