CVE-2022-29966

Emerson Ovation Missing Authentication for Critical Functionality

Assigner: icscert
Reserved: 29.04.2022 Published: 03.11.2026 Updated: 03.11.2026

Emerson Ovation has several protocols that have no authentication, which could allow an attacker to change controller configuration or cause a denial-of-service condition.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 9.8

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

CVSS Vector: 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
CVSS Score: 9.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	Emerson
Product	Ovation
Versions	Default: unaffected affected from 0 to Version 3.8.0 Feature Pack 1 (incl.) Version 3.8.0 Feature Pack 3 is unaffected

Vendor

Emerson

Product

Ovation

Versions

Default: unaffected

affected from 0 to Version 3.8.0 Feature Pack 1 (incl.)
Version 3.8.0 Feature Pack 3 is unaffected

Solutions

Emerson recommends the following:

Upgrade to the currently available release of Ovation 3.8.0 Feature Pack 3 for remediation of many of the identified vulnerabilities.
Users are advised to consider the use of OCR3000 controllers, which offer an extra layer of protection that is not available to older controller models.
Deploy and configure Ovation systems and related components as described in the Cybersecurity for Ovation Systems manual (OVREF1000). Ovation Users' Group Website (User Manuals | Reference Manuals) https://www.ovationusers.com/ (login required)
Users with questions or concerns regarding the impact of these vulnerabilities on Ovation should contact the Ovation-CERT by email or phone (1-800-445-9723, option 3).

Credits

Daniel dos Santos and Jos Wetzels from Forescout Technologies reported this vulnerability to CISA. finder

References

Problem Types

CWE-306 CWE