CVE-2019-1592: Cisco Nexus 9000 Series Fabric Switches Application Centric Infrastructure Mode Privilege Escalation Vulnerability

Published May 3, 2019
·
Updated

A vulnerability in the background operations functionality of Cisco Nexus 9000 Series Application Centric Infrastructure (ACI) Mode Switch Software could allow an authenticated, local attacker to gain elevated privileges as root on an affected device. The vulnerability is due to insufficient validation of user-supplied files on an affected device. An attacker could exploit this vulnerability by logging in to the CLI of the affected device and creating a crafted file in a specific directory on the filesystem. A successful exploit could allow the attacker to execute arbitrary operating system commands as root on an affected device.

Affected Software

56 affected components
All of the following
Cisco NX-OS=14.1\(0.90\)
Any of the following
Cisco Nexus 9000
Cisco Nexus 92160yc-x
Cisco Nexus 92300yc
Cisco Nexus 92304qc
Cisco Nexus 9236c
Cisco Nexus 9272q
Cisco Nexus 93108tc-ex
Cisco Nexus 93108tc-fx
Cisco Nexus 93120tx
Cisco Nexus 93128tx
Cisco Nexus 93180lc-ex
Cisco Nexus 93180yc-ex
Cisco Nexus 93180yc-fx
Cisco Nexus 93240yc-fx2
Cisco Nexus 9332c
Cisco Nexus 9332pq
Cisco Nexus 9336c-fx2
Cisco Nexus 9336pq
Cisco Nexus 9348gc-fxp
Cisco Nexus 9364c
Cisco Nexus 9372px
Cisco Nexus 9372px-e
Cisco Nexus 9372tx
Cisco Nexus 9372tx-e
Cisco Nexus 9396px
Cisco Nexus 9396tx
Cisco Nexus 9508
Cisco NX-OS=14.1\(0.90\)
Cisco Nexus 9000
Cisco Nexus 92160yc-x
Cisco Nexus 92300yc
Cisco Nexus 92304qc
Cisco Nexus 9236c
Cisco Nexus 9272q
Cisco Nexus 93108tc-ex
Cisco Nexus 93108tc-fx
Cisco Nexus 93120tx
Cisco Nexus 93128tx
Cisco Nexus 93180lc-ex
Cisco Nexus 93180yc-ex
Cisco Nexus 93180yc-fx
Cisco Nexus 93240yc-fx2
Cisco Nexus 9332c
Cisco Nexus 9332pq
Cisco Nexus 9336c-fx2
Cisco Nexus 9336pq
Cisco Nexus 9348gc-fxp
Cisco Nexus 9364c
Cisco Nexus 9372px
Cisco Nexus 9372px-e
Cisco Nexus 9372tx
Cisco Nexus 9372tx-e
Cisco Nexus 9396px
Cisco Nexus 9396tx
Cisco Nexus 9508

Event History

May 3, 2019
CVE Published
via MITRE·02:50 PM
Data Sourced
via MITRE·02:50 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·03:29 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the vulnerability ID of this vulnerability?

The vulnerability ID is CVE-2019-1592.

2

What is the severity of CVE-2019-1592?

The severity of CVE-2019-1592 is high.

3

How does CVE-2019-1592 impact Cisco Nexus 9000 Series Application Centric Infrastructure (ACI) Mode Switch Software?

CVE-2019-1592 allows an authenticated, local attacker to gain elevated privileges as root on an affected device.

4

What is the affected software for CVE-2019-1592?

The affected software for CVE-2019-1592 is Cisco Nexus 9000 Series Application Centric Infrastructure (ACI) Mode Switch Software version 14.1(0.90).

5

How can I fix CVE-2019-1592?

To fix CVE-2019-1592, Cisco recommends upgrading to a fixed version of Cisco Nexus 9000 Series Application Centric Infrastructure (ACI) Mode Switch Software.

Contact

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