CVE-2019-1590: Cisco Nexus 9000 Series Fabric Switches Application Centric Infrastructure Mode Insecure Fabric Authentication Vulnerability
First published: Fri May 03 2019(Updated: )
A vulnerability in the Transport Layer Security (TLS) certificate validation functionality of Cisco Nexus 9000 Series Application Centric Infrastructure (ACI) Mode Switch Software could allow an unauthenticated, remote attacker to perform insecure TLS client authentication on an affected device. The vulnerability is due to insufficient TLS client certificate validations for certificates sent between the various components of an ACI fabric. An attacker who has possession of a certificate that is trusted by the Cisco Manufacturing CA and the corresponding private key could exploit this vulnerability by presenting a valid certificate while attempting to connect to the targeted device. An exploit could allow the attacker to gain full control of all other components within the ACI fabric of an affected device.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Nx-os | =8.3\(0\)sk\(0.39\) | |
| 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 |
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Reference Links
Frequently Asked Questions
What is CVE-2019-1590?
CVE-2019-1590 is a vulnerability in the Transport Layer Security (TLS) certificate validation functionality of Cisco Nexus 9000 Series Application Centric Infrastructure (ACI) Mode Switch Software.
What is the severity of CVE-2019-1590?
The severity of CVE-2019-1590 is high with a CVSS score of 8.1.
How does CVE-2019-1590 affect Cisco Nexus 9000 Series?
CVE-2019-1590 allows an unauthenticated, remote attacker to perform insecure TLS client authentication on affected Cisco Nexus 9000 Series devices.
Is Cisco Nexus 9000 Series vulnerable to CVE-2019-1590?
Cisco Nexus 9000 Series is vulnerable to CVE-2019-1590.
How can I fix CVE-2019-1590?
To fix CVE-2019-1590, it is recommended to follow the security advisories and apply the necessary patches and updates provided by Cisco.
- collector/nvd-index
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/weakness
- agent/severity
- agent/author
- agent/last-modified-date
- agent/references
- agent/title
- agent/first-publish-date
- agent/tags
- agent/description
- agent/event
- vendor/cisco
- canonical/cisco nx-os
- version/cisco nx-os/8.3\(0\)sk\(0.39\)
- version/cisco nx-os/14.1\(0.90\)
- canonical/cisco nexus 9000
- canonical/cisco nexus 92160yc-x
- canonical/cisco nexus 92300yc
- canonical/cisco nexus 92304qc
- canonical/cisco nexus 9236c
- canonical/cisco nexus 9272q
- canonical/cisco nexus 93108tc-ex
- canonical/cisco nexus 93108tc-fx
- canonical/cisco nexus 93120tx
- canonical/cisco nexus 93128tx
- canonical/cisco nexus 93180lc-ex
- canonical/cisco nexus 93180yc-ex
- canonical/cisco nexus 93180yc-fx
- canonical/cisco nexus 93240yc-fx2
- canonical/cisco nexus 9332c
- canonical/cisco nexus 9332pq
- canonical/cisco nexus 9336c-fx2
- canonical/cisco nexus 9336pq
- canonical/cisco nexus 9348gc-fxp
- canonical/cisco nexus 9364c
- canonical/cisco nexus 9372px
- canonical/cisco nexus 9372px-e
- canonical/cisco nexus 9372tx
- canonical/cisco nexus 9372tx-e
- canonical/cisco nexus 9396px
- canonical/cisco nexus 9396tx
- canonical/cisco nexus 9508