Detections
Analytics

Cisco Nexus 9000 Series Fabric Switches ACI Mode Fabric Infrastructure VLAN Unauthorized Access Vulnerability

medium Nessus Plugin ID 126629

Language:

Synopsis

The remote device is missing a vendor-supplied security patch

Description

According to its self-reported version, the Cisco NX-OS Software in ACI mode is affected by a security bypass vulnerability. An unauthenticated, adjacent attacker could exploit this vulnerability to connect an unauthorized server to the highly privileged infrastructure VLAN. Please see the included Cisco BIDs and Cisco Security Advisory for more information.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvp64280

See Also

http://www.nessus.org/u?f9ac6846

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvp64280

Plugin Details

Severity: Medium

ID: 126629

File Name: cisco-sa-20190703-n9kaci-bypass.nasl

Version: 1.7

Type: combined

Family: CISCO

Published: 7/12/2019

Updated: 4/27/2021

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Low

Base Score: 3.3

Temporal Score: 2.4

Vector: CVSS2#AV:A/AC:L/Au:N/C:N/I:P/A:N

CVSS Score Source: CVE-2019-1890

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:cisco:nx-os

Required KB Items: Settings/ParanoidReport, Host/Cisco/NX-OS/Version, Host/Cisco/NX-OS/Model, Host/Cisco/NX-OS/Device

Exploit Ease: No known exploits are available

Patch Publication Date: 7/3/2019

Vulnerability Publication Date: 7/3/2019

Reference Information

CVE: CVE-2019-1890

BID: 109052

CWE: 284

CISCO-SA: cisco-sa-20190703-n9kaci-bypass

IAVA: 2019-A-0217

CISCO-BUG-ID: CSCvp64280