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Cisco FXOS Software Cisco Fabric Services Denial of Service Vulnerability (cisco-sa-20180620-nx-os-fabric-services-dos)

medium Nessus Plugin ID 135198

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Synopsis

The remote device is missing a vendor-supplied security patch

Description

According to its self-reported version, Cisco FXOS Software is affected by a denial of service vulnerability in Cisco Fabric Services due to insufficient validation of packet data. An unauthenticated, remote attacker can exploit this issue, via a maliciously crafted Cisco Fabric Services packet, to cause the process to stop responding.

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 CSCve04859.

See Also

http://www.nessus.org/u?7a5a1307

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCve04859

Plugin Details

Severity: Medium

ID: 135198

File Name: cisco-sa-20180620-nx-os-fabric-services-dos-fxos.nasl

Version: 1.6

Type: local

Family: CISCO

Published: 4/3/2020

Updated: 10/14/2020

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

CVSS Score Source: CVE-2020-0311

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

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

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

Vulnerability Information

CPE: cpe:/o:cisco:fxos

Required KB Items: installed_sw/FXOS

Exploit Ease: No known exploits are available

Patch Publication Date: 6/20/2018

Vulnerability Publication Date: 6/20/2018

Reference Information

CVE: CVE-2020-0311

CISCO-SA: cisco-sa-20180620-nx-os-fabric-services-dos

IAVA: 2020-A-0127

CISCO-BUG-ID: CSCve04859