high
7.2
CWE
78
Advisory Published
Updated

CVE-2019-1778: Cisco NX-OS Software Command Injection Vulnerability

First published: Wed May 15 2019(Updated: )

A vulnerability in the CLI of Cisco NX-OS Software could allow an authenticated, local attacker to execute arbitrary commands on the underlying Linux operating system with the privilege level of root. The vulnerability is due to insufficient validation of arguments passed to a specific CLI command on the affected device. An attacker could exploit this vulnerability by including malicious input as the argument of an affected command. A successful exploit could allow the attacker to execute arbitrary commands on the underlying Linux operating system with elevated privileges. An attacker would need valid administrator credentials to exploit this vulnerability.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco NX-OS<7.0\(3\)i4\(9\)
Cisco NX-OS>=7.0\(3\)i7<7.0\(3\)i7\(4\)
Cisco Nexus 3016Q Firmware
Cisco Nexus 3048 Firmware
Cisco Nexus 3064 Firmware
Cisco Nexus 3064
Cisco Nexus 31108PC-V Firmware
Cisco Nexus 31108TC-V Firmware
Cisco Nexus 31128PQ
Cisco Nexus 3132C-Z Firmware
Cisco Nexus 3132Q-XL
Cisco Nexus 3132Q-V Firmware
Cisco Nexus 3132Q-XL Firmware
Cisco Nexus 3164Q Firmware
Cisco Nexus 3172 Firmware
Cisco Nexus 3172PQ-XL Firmware
Cisco Nexus 3172TQ Firmware
Cisco Nexus 3172TQ-XL
Cisco Nexus 3172TQ-XL Firmware
Cisco Nexus 3232C
Cisco Nexus 3264C-E Firmware
Cisco Nexus 3264Q Firmware
Cisco Nexus 34180YC Firmware
Cisco Nexus 3464C Firmware
Cisco Nexus 3524-xl
Cisco Nexus 3524-xl
Cisco Nexus 3524-x/xl
Cisco Nexus 3524-X/XL
Cisco Nexus 3548-X/XL Firmware
Cisco Nexus 3548-X/XL
Cisco Nexus 3548-x/xl
Cisco Nexus 3548-X/XL
Cisco Nexus 36180YC-R Firmware
Cisco Nexus 3636C-R Firmware
Cisco Nexus 9200
Cisco Nexus 92304QC Firmware
Cisco Nexus 9236C
Cisco Nexus 9272Q Switch
Cisco Nexus
Cisco Nexus 93108TC-FX Switch
Cisco Nexus 93120TX Firmware
Cisco Nexus 93128TX
Cisco Nexus 9000 Series Switch
Cisco Nexus 93180YC-EX-24
Cisco Nexus 93180YC-FX Firmware
Cisco Nexus 93240TC-FX2
Cisco Nexus 9332C Firmware
Cisco Nexus 9332PQ Firmware
Cisco Nexus 9336PQ ACI Spine Switch
Cisco Nexus 9348GC-FXP Firmware
Cisco Nexus 9372PX-E
Cisco Nexus 9372PX-E Firmware
Cisco Nexus 9372TX Firmware
Cisco Nexus 9372TX-E Switch
Cisco Nexus 9396PX Firmware
Cisco Nexus 9396TX Firmware
Cisco Nexus 9508
Cisco Nexus 9516 firmware
Cisco NX-OS>=7.0\(3\)<7.0\(3\)f3\(5\)
Cisco Nexus 9500 Series
Cisco Nexus N9K-C9508-FM-R
Cisco x96136yc-r
Cisco Nexus 9636C-R
Cisco Nexus n9k-x9636c-rx
Cisco Nexus N9K-X9636Q-R
Cisco Nexus 36180YC-R
Cisco x9636c-rx
Cisco Nexus 9636C-R
Cisco Nexus N9K-X9636Q-R

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2019-1778?

    CVE-2019-1778 has been assigned a high severity rating, indicating serious security risks associated with the vulnerability.

  • How do I fix CVE-2019-1778?

    To remediate CVE-2019-1778, it is recommended to upgrade Cisco NX-OS Software to a version that includes the patch for this vulnerability.

  • Who is affected by CVE-2019-1778?

    CVE-2019-1778 affects Cisco NX-OS Software versions prior to 7.0(3)i7(5) and versions between 7.0(3)i4(9) and 7.0(3)i7(4).

  • Can CVE-2019-1778 be exploited remotely?

    No, CVE-2019-1778 requires local authentication, meaning an attacker must have local access to exploit the vulnerability.

  • What type of attack does CVE-2019-1778 enable?

    CVE-2019-1778 allows authenticated local attackers to execute arbitrary commands with root privileges on the underlying Linux operating system.

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