CVE Vulnerabilities

CVE-2020-3216

Improper Authentication

Published: Jun 03, 2020 | Modified: Jun 10, 2020
CVSS 3.x
6.8
MEDIUM
Source:
NVD
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
7.2 HIGH
AV:L/AC:L/Au:N/C:C/I:C/A:C
RedHat/V2
RedHat/V3
Ubuntu

A vulnerability in Cisco IOS XE SD-WAN Software could allow an unauthenticated, physical attacker to bypass authentication and gain unrestricted access to the root shell of an affected device. The vulnerability exists because the affected software has insufficient authentication mechanisms for certain commands. An attacker could exploit this vulnerability by stopping the boot initialization of an affected device. A successful exploit could allow the attacker to bypass authentication and gain unrestricted access to the root shell of the affected device.

Weakness

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

Affected Software

Name Vendor Start Version End Version
Ios_xe_sd-wan Cisco 16.9.0 (including) 16.9.0 (including)
Ios_xe_sd-wan Cisco 16.9.1 (including) 16.9.1 (including)
Ios_xe_sd-wan Cisco 16.9.2 (including) 16.9.2 (including)
Ios_xe_sd-wan Cisco 16.9.3 (including) 16.9.3 (including)
Ios_xe_sd-wan Cisco 16.9.4 (including) 16.9.4 (including)
Ios_xe_sd-wan Cisco 16.10.0 (including) 16.10.0 (including)
Ios_xe_sd-wan Cisco 16.10.1 (including) 16.10.1 (including)

Potential Mitigations

References