CVE-2019-1804

CRITICAL

9.8

Description

A vulnerability in the SSH key management for the Cisco Nexus 9000 Series Application Centric Infrastructure (ACI) Mode Switch Software could allow an unauthenticated, remote attacker to connect to the affected system with the privileges of the root user. The vulnerability is due to the presence of a default SSH key pair that is present in all devices. An attacker could exploit this vulnerability by opening an SSH connection via IPv6 to a targeted device using the extracted key materials. An exploit could allow the attacker to access the system with the privileges of the root user. This vulnerability is only exploitable over IPv6; IPv4 is not vulnerable.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published5/3/2019

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

cisco:nexus_93108tc-excisco:nexus_93108tc-ex_firmwarecisco:nexus_93120txcisco:nexus_93120tx_firmwarecisco:nexus_93128txcisco:nexus_93128tx_firmwarecisco:nexus_93180yc-excisco:nexus_93180yc-ex_firmwarecisco:nexus_9332pqcisco:nexus_9332pq_firmwarecisco:nexus_9372pxcisco:nexus_9372px_firmwarecisco:nexus_9372txcisco:nexus_9372tx_firmwarecisco:nexus_9396pxcisco:nexus_9396px_firmwarecisco:nexus_9396txcisco:nexus_9396tx_firmwarecisco:nexus_9500cisco:nexus_9500_firmwarecisco:nexus_9504cisco:nexus_9504_firmwarecisco:nexus_9508cisco:nexus_9508_firmwarecisco:nexus_9516cisco:nexus_9516_firmware

Weaknesses (CWE)

CWE-310CWE-1188

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-nexus9k-sshkey(psirt@cisco.com)

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-nexus9k-sshkey(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.