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CVE-2022-29966

Emerson Ovation Missing Authentication for Critical Functionality

Critical9.3EPSS 0.39%
Published
Updated
Reserved
Assigned by
icscert

Description

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.

Timeline

  1. ID reserved

    By icscert

  2. · 5 years later

    Published

  3. · 3 days later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2022-29966, by who scored it
Scored byCVSSScoreVector
icscertCNA (assigner)4.0Critical9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
icscertCNA (assigner)3.1Critical9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Received4.0Critical9.3CVSS: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:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS (exploitation in 30 days)
0.39% · top 66% of all CVEs (7 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: yes · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.3.

Weakness

Affected products

  • Emerson · Ovation

    • affected ≤ Version 3.8.0 Feature Pack 1
    • unaffected 3.8.0 Feature Pack 3

What to do

Solution: 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).

References (2)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .