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Cisco SD-WAN Software Signature Verification Bypass (cisco-sa-sdwan-sigverbypass-gPYXd6Mk)

medium Nessus Plugin ID 150050

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Synopsis

The remote device is missing a vendor-supplied security patch

Description

According to its self-reported version, Cisco SD-WAN Viptela Software is affected by a vulnerability due to improper verification of digital signatures for patch images. An authenticated, remote attacker with Administrator credentials can exploit this to install a malicious software patch on an affected device.

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 ID CSCvs92954

See Also

http://www.nessus.org/u?306521c6

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvs92954

Plugin Details

Severity: Medium

ID: 150050

File Name: cisco-sa-sdwan-sigverbypass-gPYXd6Mk.nasl

Version: 1.3

Type: local

Family: CISCO

Published: 5/28/2021

Updated: 5/28/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

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

CVSS Score Source: CVE-2021-1461

CVSS v3

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 4.3

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

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

Vulnerability Information

CPE: cpe:/a:cisco:sd-wan_vmanage, cpe:/o:cisco:sd-wan_firmware, x-cpe:/a:cisco:sd-wan_vedge

Required KB Items: Cisco/Viptela/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 3/3/2021

Vulnerability Publication Date: 3/3/2021

Reference Information

CVE: CVE-2021-1461

CWE: 347

CISCO-SA: cisco-sa-sdwan-sigverbypass-gPYXd6Mk

IAVA: 2021-A-0118

CISCO-BUG-ID: CSCvs92954