What is the severity of CVE-2019-1790?

CVE-2019-1790 has a high severity level as it allows an authenticated attacker to execute arbitrary commands on the underlying operating system.

How do I fix CVE-2019-1790?

To fix CVE-2019-1790, upgrade to a patched version of Cisco NX-OS Software that addresses the vulnerability.

Who is affected by CVE-2019-1790?

CVE-2019-1790 affects multiple versions of Cisco NX-OS Software, specifically those prior to version 7.3 and between versions 5.2 and 8.3.

Can CVE-2019-1790 be exploited remotely?

CVE-2019-1790 cannot be exploited remotely as it requires valid administrator credentials on the affected device.

What types of devices are impacted by CVE-2019-1790?

Devices running vulnerable versions of Cisco NX-OS, including various models of Cisco Nexus switches, are impacted by CVE-2019-1790.

Vulnerability/
CVE-2019-1790

high

7.2

CWE

88 77

15/5/2019

20/11/2024

CVE-2019-1790: 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 with valid administrator credentials to execute arbitrary commands on the underlying operating system of an affected device. The vulnerability is due to insufficient validation of arguments passed to certain CLI commands. 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 operating system with elevated privileges. An attacker would need valid administrator credentials to exploit this vulnerability.

Credit: ykramarz@cisco.com

Affected Software	Affected Version	How to fix
Cisco NX-OS	>=5.2<6.2\(25\)
Cisco NX-OS	>=7.3<8.1\(1b\)
Cisco NX-OS	>=8.2<8.2\(3\)
Cisco NX-OS	>=8.3<8.3\(1\)
Cisco MDS 9132T
Cisco MDS 9148S
Cisco MDS 9148T
Cisco MDS 9216
Cisco MDS 9216
Cisco MDS 9216
Cisco MDS 9222i
Cisco MDS 9250i
Cisco MDS 9396S
Cisco MDS 9396T
Cisco MDS 9500
Cisco MDS 9500
Cisco MDS 9513 Firmware
Cisco MDS 9706 Firmware
Cisco MDS 9710 Firmware
Cisco MDS 9718 Firmware
Cisco NX-OS	<7.0\(3\)i4\(8\)
Cisco NX-OS	>=7.0\(3\)i7<7.3\(3\)i7\(3\)
Cisco Nexus 9432PQ
Cisco Nexus 9536PQ
Cisco Nexus 9636PQ
Cisco Nexus 9736PQ
Cisco Nexus 9000 Series N9K-X9432C-S
Cisco Nexus 9000 Series N9K-X9464PX
Cisco N9K-X9464TX2 Firmware
Cisco N9K-X9564PX
Cisco N9K-X9564TX
Cisco Nexus 9636C-R
Cisco Nexus n9k-x9636c-rx
Cisco Nexus 9000 N9K-X97160YC-EX
Cisco Nexus 9000 Series Switches n9k-x9732c-ex
Cisco Nexus 9000 Series N9K-X9732C-FX
Cisco Nexus 9000 Series Switch n9k-x9736c-ex
Cisco Nexus 9000 Series Switch
Cisco Nexus 9000 Series Switch n9k-x9788tc-fx
Cisco Nexus 3048 Firmware
Cisco Nexus 31108PC-V Firmware
Cisco Nexus 31108TC-V Firmware
Cisco Nexus 31128PQ
Cisco Nexus 3132C-Z Firmware
Cisco Nexus 3132Q-V Firmware
Cisco Nexus 3132Q-X/3132Q-XL
Cisco Nexus 3164Q Firmware
Cisco Nexus 3172PQ/PQ-XL
Cisco Nexus 3172TQ-XL Firmware
Cisco Nexus 3232C
Cisco Nexus 3264C-E Firmware
Cisco Nexus 3264Q Firmware
Cisco Nexus 3408-S Firmware
Cisco Nexus 34180YC Firmware
Cisco Nexus 3432D-S Firmware
Cisco Nexus 3464C Firmware
Cisco Nexus 3524-x/xl
Cisco Nexus 3548-x/xl
Cisco Nexus 36180YC-R Firmware
Cisco Nexus 3636C-R Firmware
Cisco Nexus 92160YC Switch
Cisco Nexus 92300YC Firmware
Cisco Nexus
Cisco Nexus 93108TC-FX Switch
Cisco Nexus 93120TX Firmware
Cisco Nexus 9316D-GX Firmware
Cisco Nexus 93180LC-EX Switch
Cisco Nexus 93180YC-EX-24
Cisco Nexus 93180YC-FX Firmware
Cisco Nexus 93216TC-FX2 Firmware
Cisco Nexus 93240YC-FX2 Firmware
Cisco Nexus 9332C Firmware
Cisco Nexus 93360YC-FX2
Cisco Nexus 9336C-FX2 Firmware
Cisco Nexus 9348GC-FXP Firmware
Cisco Nexus 93600CD-GX Firmware
Cisco Nexus 9364c-h1
Cisco Nexus 9500 Supervisor A
Cisco Nexus 9500 Supervisor A+
Cisco Nexus 9500 Supervisor B firmware
Cisco Nexus 9500 Supervisor B+
Cisco Nexus 9504 firmware
Cisco Nexus 9508
Cisco Nexus 9516 firmware
Cisco Nexus X9636Q-R
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 N9K-X9636Q-R
Cisco Nexus n9k-x96136yc-r
Cisco x9636c-rx
Cisco Nexus 9636C-RX
Cisco NX-OS	<7.3\(4\)n1\(1\)
Cisco Nexus 5010
Cisco Nexus 5020
Cisco Nexus 5548P Firmware
Cisco Nexus 5548UP Firmware
Cisco Nexus 5596T Firmware
Cisco Nexus 5596UP Firmware
Cisco 56128p
Cisco Nexus 5624Q Firmware
Cisco Nexus 5648Q Firmware
Cisco Nexus 5672UP-16G
Cisco Nexus 5672UP-16G Firmware
Cisco Nexus 5696Q Firmware
Cisco Nexus 6001 Firmware
Cisco Nexus 6004 Firmware
Cisco NX-OS	<6.2\(22\)
Cisco NX-OS	>=7.2<7.3\(3\)d1\(1\)
Cisco NX-OS	>=8.0<8.2\(3\)
Cisco 7000 10-slot
Cisco Nexus 7000 18-slot
Cisco Nexus 7000 4-slot
Cisco Nexus 7000 9-slot
Cisco 7700
Cisco 7700
Cisco 7700
Cisco 7700
Cisco Nexus 7000 Series Switch - n77-f312ck-26
Cisco Nexus 7000 Series n77-f324fq-25
Cisco Nexus 7700 Series Switch
Cisco Nexus 7700 series
Cisco Nexus 7000 Series N77-M312CQ-26L
Cisco Nexus 7000 Series n7k-m324fq-25l
Cisco Nexus 7000 Series Switch (N77-M348XP-23L)
Cisco Nexus 7000 n7k-f248xp-25e
Cisco Nexus 7000 Series Switch - N7K-F306CK-25
Cisco Nexus 7000 Series Switch
Cisco Nexus 7000 Series Switches
Cisco Nexus 7000 Series N7K-M206FQ-23L
Cisco NEXUS 7000 Series Switch (Model N7K-M224XP-23L)
Cisco Nexus 7000 Series n7k-m324fq-25l
Cisco Nexus 7000 Series N7K-M348XP-25L
Cisco Nexus 7000 Supervisor 1 Firmware
Cisco Nexus 7000 Supervisor 2E
Cisco Nexus 7000 Supervisor 2E Firmware
Cisco Nexus 7700 Supervisor 2E Firmware
Cisco Nexus 7700 Supervisor 3E Firmware
Cisco NX-OS	<4.0\(1a\)
Cisco UCS 6248UP
Cisco UCS 6296UP
Cisco UCS 6324 firmware
Cisco UCS 6332
Cisco UCS 6332-16UP

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2019-1790?
CVE-2019-1790 has a high severity level as it allows an authenticated attacker to execute arbitrary commands on the underlying operating system.
How do I fix CVE-2019-1790?
To fix CVE-2019-1790, upgrade to a patched version of Cisco NX-OS Software that addresses the vulnerability.
Who is affected by CVE-2019-1790?
CVE-2019-1790 affects multiple versions of Cisco NX-OS Software, specifically those prior to version 7.3 and between versions 5.2 and 8.3.
Can CVE-2019-1790 be exploited remotely?
CVE-2019-1790 cannot be exploited remotely as it requires valid administrator credentials on the affected device.
What types of devices are impacted by CVE-2019-1790?
Devices running vulnerable versions of Cisco NX-OS, including various models of Cisco Nexus switches, are impacted by CVE-2019-1790.