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Cisco IoT Field Network Director Unauthenticated REST API (cisco-sa-FND-BCK-GHkPNZ5F)

critical Nessus Plugin ID 143234

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Synopsis

The remote device is missing a vendor-supplied security patch

Description

A Rest API vulnerability exists in Cisco IoT Field Network Director (IoT-FND) due to IoT-FND not properly authenticating REST API calls. An unauthenticated, remote attacker can exploit this, by obtaining a cross-site request forgery (CSRF) token and then using the token with REST API requests, to access the back-end database of the affected device and read, alter, or drop information.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug IDs CSCvt45219, CSCvt45228

See Also

http://www.nessus.org/u?cf10b275

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvt45219

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvt45228

Plugin Details

Severity: Critical

ID: 143234

File Name: cisco-sa-FND-BCK-GHkPNZ5F.nasl

Version: 1.5

Type: remote

Family: CISCO

Published: 11/24/2020

Updated: 12/1/2020

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-2020-3531

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:/a:cisco:iot_field_network_director

Required KB Items: Cisco/IoT Field Network Director/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 11/18/2020

Vulnerability Publication Date: 11/18/2020

Reference Information

CVE: CVE-2020-3531