Hardcoded credentials in Cisco Virtual Wide Area Application Services (vWAAS)

1) Use of hard-coded credentials

EUVDB-ID: #VU45809

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-3446

CWE-ID: CWE-798 - Use of Hard-coded Credentials

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain full access to vulnerable system.

The vulnerability exists due to presence of hard-coded credentials in Cisco Virtual Wide Area Application Services (vWAAS) with Cisco Enterprise NFV Infrastructure Software (NFVIS)-bundled images for Cisco ENCS 5400-W Series and CSP 5000-W Series. A remote unauthenticated attacker can access the affected system using the hard-coded credentials.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

This vulnerability affects Cisco ENCS 5400-W Series and CSP 5000-W Series appliances if they are running Cisco vWAAS with NFVIS-bundled image releases 6.4.5, or 6.4.3d and earlier.

Vulnerable software versions

Cisco Wide Area Application Services: 6.0.1 - 6.4.3d

CPE2.3

• cpe:2.3:a:cisco_systems:cisco_wide_area_application_services:6.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:cisco_systems:cisco_wide_area_application_services:6.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:cisco_systems:cisco_wide_area_application_services:6.2.1:*:*:*:*:*:*:*

External links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-waas-encsw-cspw-cred-hZzL29A7
https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvr36481
https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvg93455

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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