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Cisco Nexus 9000 Series Fabric Switches Application Centric Infrastructure Mode Root Privilege Escalation Vulnerability (cisco-sa-20190501-nexus9k-rpe)

medium Nessus Plugin ID 137074

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Synopsis

The remote device is missing a vendor-supplied security patch (cisco-sa-20190501-nexus9k-rpe)

Description

According to its self-reported version, Cisco NX-OS System Software in ACI Mode is affected by an elevation of privilege vulnerability exists in the filesystem management due to improper file permissions. An authenticated, local attacker can exploit this, via a crafted command, to gain root privileges.

 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 CSCvo72253

See Also

http://www.nessus.org/u?950f103d

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvo72253

Plugin Details

Severity: Medium

ID: 137074

File Name: cisco-sa-20190501-nexus9k-rpe.nasl

Version: 1.4

Type: combined

Family: CISCO

Published: 6/3/2020

Updated: 6/8/2020

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

CVSS Score Source: CVE-2019-1803

CVSS v3

Risk Factor: Medium

Base Score: 6.7

Temporal Score: 5.8

Vector: CVSS:3.0/AV:L/AC:L/PR:H/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, Host/aci/system/chassis/summary

Exploit Ease: No known exploits are available

Patch Publication Date: 5/1/2019

Vulnerability Publication Date: 5/3/2019

Reference Information

CVE: CVE-2019-1803

BID: 108136