Cisco Nexus 3000 and 3500 Insecure Default Telnet Credentials (cisco-sa-20160302-n3k)

critical Nessus Plugin ID 89083

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Synopsis

The remote device is missing a vendor-supplied security patch.

Description

The remote Cisco Nexus device has a known set of hardcoded default user credentials. An unauthenticated, remote attacker can exploit this to authenticate remotely to the device via Telnet with the privileges of the root user with bash shell access.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCuy25800. Alternatively, disable Telnet and use SSH for remote connections to the device.

Plugin Details

Severity: Critical

ID: 89083

File Name: cisco-sn-CSCuy25800-nxos.nasl

Version: 1.14

Type: combined

Family: CISCO

Published: 3/3/2016

Updated: 11/20/2019

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2016-1329

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

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

Required KB Items: 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: 3/2/2016

Vulnerability Publication Date: 3/2/2016

Reference Information

CVE: CVE-2016-1329

CISCO-SA: cisco-sa-20160302-n3k

CISCO-BUG-ID: CSCuy25800

Detections

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