Cisco Nexus Series Switches CLI Command Injection (CVE-2017-6649)

high Tenable OT Security Plugin ID 501236

Synopsis

The remote OT asset is affected by a vulnerability.

Description

A vulnerability in the CLI of Cisco NX-OS System Software 7.1 through 7.3 running on Cisco Nexus Series Switches could allow an authenticated, local attacker to perform a command injection attack.
The vulnerability is due to insufficient input validation of command arguments. An attacker could exploit this vulnerability by injecting crafted command arguments into a vulnerable CLI command. An exploit could allow the attacker to read or write arbitrary files at the user's privilege level outside of the user's path. Cisco Bug IDs:
CSCvb86787, CSCve60516, CSCve60555.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Refer to the vendor advisory.

Plugin Details

Severity: High

ID: 501236

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 7/25/2023

Updated: 7/26/2023

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2017-6649

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/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:7.1%281%29n1%281%29, cpe:/o:cisco:nx-os:7.1%282%29n1%281%29, cpe:/o:cisco:nx-os:7.1%283%29n1%281%29, cpe:/o:cisco:nx-os:7.1%283%29n1%282%29, cpe:/o:cisco:nx-os:7.1%283%29n1%282.1%29, cpe:/o:cisco:nx-os:7.1%283%29n1%283.12%29, cpe:/o:cisco:nx-os:7.1%284%29n1%281%29, cpe:/o:cisco:nx-os:7.2%280%29d1%280.437%29, cpe:/o:cisco:nx-os:7.2%280%29n1%281%29, cpe:/o:cisco:nx-os:7.2%280%29zz%2899.1%29, cpe:/o:cisco:nx-os:7.2%281%29n1%281%29, cpe:/o:cisco:nx-os:7.3%280%29n1%281%29

Required KB Items: Tenable.ot/Cisco

Exploit Ease: No known exploits are available

Patch Publication Date: 5/22/2017

Vulnerability Publication Date: 5/22/2017

Reference Information

CVE: CVE-2017-6649

CWE: 20, 77

Detections

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