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Emerson DeltaV Distributed Control System Use of Hard-Coded Credentials (CVE-2022-29963)

medium Tenable OT Security Plugin ID 500695

Synopsis

The remote OT asset is affected by a vulnerability.

Description

The Emerson DeltaV Distributed Control System (DCS) controllers and IO cards through 2022-04-29 misuse passwords. TELNET on port 18550 provides access to a root shell via hardcoded credentials. This affects S-series, P-series, and CIOC/EIOC nodes. NOTE: this is different from CVE-2014-2350.

 - The Emerson DeltaV Distributed Control System (DCS) controllers and IO cards through 2022-04-29 misuse passwords. TELNET on port 18550 provides access to a root shell via hardcoded credentials. This affects S-series, P-series, and CIOC/EIOC nodes. NOTE: this is different from CVE-2014-2350. (CVE-2022-29963)

This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

The following text was originally created by the Cybersecurity and Infrastructure Security Agency (CISA). The original can be found at CISA.gov.

Emerson has provided the following mitigations or workarounds:

Emerson has corrected CVE-2022-29965 in all currently supported versions of DeltaV. For additional mitigations and preventative measures, please see the Emerson Guardian Support Portal (login required).

Emerson has mitigated CVE-2022-29962, CVE-2022-29963, and CVE-2022-29964 in all currently supported versions of DeltaV.
Please see the Emerson Guardian Support Portal (login required) for more information.

Emerson corrected the Firmware image verification vulnerability in Version 14.3 and mitigated it in all other versions.
Please see the Emerson Guardian Support Portal (login required) for more information.

See Also

https://www.forescout.com/blog/

https://www.cisa.gov/uscert/ics/advisories/icsa-22-181-03

Plugin Details

Severity: Medium

ID: 500695

Version: 1.8

Type: remote

Family: Tenable.ot

Published: 8/4/2022

Updated: 9/4/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:N/A:N

CVSS Score Source: CVE-2022-29963

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:emerson:deltav_distributed_control_system_sq_controller_firmware

Required KB Items: Tenable.ot/Emerson

Exploit Ease: No known exploits are available

Patch Publication Date: 7/26/2022

Vulnerability Publication Date: 7/26/2022

Reference Information

CVE: CVE-2022-29963

CWE: 798

ICSA: 22-181-03