Improper access control in Cisco SD-WAN Products

1) Improper access control

EUVDB-ID: #VU62345

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-20716

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a local user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in the CLI. A local user can modify certain files on the vulnerable device and gain escalated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco SD-WAN vBond Orchestrator: 18.4.0 - 20.7

Cisco SD-WAN vEdge Cloud Router: 18.4 - 20.7

Cisco SD-WAN vEdge Routers: 18.4 - 20.7

Cisco SD-WAN vManage: 18.4 - 20.7

Cisco SD-WAN vSmart Controller: 18.4 - 20.7

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sd-wan-file-access-VW36d28P

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.