Vulnerability identifier: #VU19177

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-11691

CWE-ID: CWE-798

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
DeltaV
Hardware solutions / Firmware

Vendor: Emerson

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

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External links
http://www.us-cert.gov/ics/advisories/icsa-19-190-01

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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.