Use of hard-coded credentials in Emerson DeltaV

1) Use of hard-coded credentials

EUVDB-ID: #VU19177

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-2018-11691

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 the Smart Switch Command Center does not change the management account password upon commissioning as expected, leaving the default password in effect indefinitely. A remote non-authenticated 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.

Vulnerable software versions

DeltaV: 11.3.1 - 12.3.1

CPE2.3

• cpe:2.3:h:emerson:deltav:11.3.1:*:*:*:*:*:*:*
• cpe:2.3:h:emerson:deltav:12.3.1:*:*:*:*:*:*:*

External links

https://www.us-cert.gov/ics/advisories/icsa-19-190-01

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.