NVD

CVE-2019-1590 Detail

Modified

This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.

Description

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.

Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.

CVSS 4.0 Severity and Vector Strings:

NIST: NVD

N/A

NVD assessment not yet provided.

CVSS 3.x Severity and Vector Strings:

CNA: Cisco Systems, Inc.

Base Score: 8.1 HIGH

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS 2.0 Severity and Vector Strings:

National Institute of Standards and Technology

NIST: NVD

Base Score: 6.8 MEDIUM

Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P)

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-aci-insecure-fabric	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-295	Improper Certificate Validation	NIST Cisco Systems, Inc.

Known Affected Software Configurations Switch to CPE 2.2

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Change History

3 change records found show changes

Initial Analysis by NIST 5/09/2019 11:28:50 AM

Action	Type	Old Value	New Value
Added	CPE Configuration		Record truncated, showing 500 of 1665 characters. View Entire Change Record AND OR cpe:2.3:o:cisco:nx-os:8.3\(0\)sk\(0.39\)::::::: cpe:2.3:o:cisco:nx-os:14.1\(0.90\)::::::: OR cpe:2.3:h:cisco:nexus_9000:-:::::::* cpe:2.3:h:cisco:nexus_92160yc-x:-:::::::* cpe:2.3:h:cisco:nexus_92300yc:-:::::::* cpe:2.3:h:cisco:nexus_92304qc:-:::::::* cpe:2.3:h:cisco:nexus_9236c:-:::::::* cpe:2.3:h:cisco:nexus_9272q:-:::::::* cpe:2.3:h:cis
Added	CVSS V2		(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Added	CVSS V3		AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Added	CWE		CWE-295
Changed	Reference Type	https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-aci-insecure-fabric No Types Assigned	https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-aci-insecure-fabric Vendor Advisory

Quick Info

CVE Dictionary Entry:
CVE-2019-1590
NVD Published Date:
05/03/2019
NVD Last Modified:
10/09/2019
Source:
Cisco Systems, Inc.

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Information Technology Laboratory

National Vulnerability Database