Missing authentication in Emerson Ovation controller protocols
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-306.
Summary
Emerson Ovation through Version 3.8.0 Feature Pack 1 has several protocols that have no authentication. The flaw is missing authentication for critical functionality (CWE-306). An unauthenticated remote attacker can change controller configuration or cause a denial-of-service condition.
Written with Claude Haiku 5.5 from the sources below · 2026-11-04
Description from the CNA
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
Emerson Ovation is fixed in 3.8.0 Feature Pack 3. Upgrade to that version.
Written with Claude Haiku 5.5 from the sources below · 2026-11-04
- Fix · CNA Ovation (Emerson) Fixed in 3.8.0 Feature Pack 3
Timeline
- 2026-11-03 Threatist record created from CVE-2022-29966
- 2026-11-04 Alias added: GHSA-45hw-93vc-42cp
- 2026-11-06 CISA SSVC decision points changed
References
More Emerson vulnerabilities
- TI-2022-26383 Emerson PAC Machine Edition 9.80 Build 8695 - 'TrapiServer' Unquoted Service Path CVSS 4.0HIGH 8.5
- TI-2021-20526 Emerson XWEB 300D EVO 3.0.7--3ee403 is affected by: unauthenticated arbitrary file… CVSS 3.1CRITICAL 9.8
- TI-2021-20521 Emerson Dixell XWEB-500 products are affected by arbitrary file write vulnerability in… CVSS 3.1CRITICAL 9.8
- TI-2020-08552 ICSA-20-140-02 Emerson OpenEnterprise CVSS 3.1CRITICAL 10.0
- TI-2013-02455 Emerson Process Management ROC800 RTU with software 3.50 and earlier, DL8000 RTU with… CVSS 2.0HIGH 10.0
- TI-2013-00581 The kernel in ENEA OSE on the Emerson Process Management ROC800 RTU with software 3.50… CVSS 2.0HIGH 10.0
Sources
- CVE-2022-29966 · CVE Program
- CVE-2022-29966 · NVD
- FIRST EPSS
- GHSA-45hw-93vc-42cp · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences