Missing authentication in GE Vernova EnerVista UR Setup
Priority LOW 36CWE-306Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-306.
Summary
Missing Authentication for Critical Function vulnerability in GE Vernova Enervista UR Setup application allows Authentication Bypass due to a missing SSH server authentication. Since the client connection is not authenticated, an attacker may perform a man-in-the-middle attack on the network.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00283 20th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| GE Vernova | EnerVista UR Setup | 7.0 – 8.60 | — | No fix listed | CNA |
- EnerVista UR Setup VendorGE Vernova Affected 7.0 – 8.60 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-27256
- 2026-10-03 Alias added: GHSA-gjhg-f944-56m2
References
More GE Vernova vulnerabilities
- TI-2025-02821 Smallworld SWMFS Improper Authentication CVSS 4.0CRITICAL 9.3
- TI-2025-20102 Hard-coded credentials in GE Vernova EnerVista UR Setup CVSS 3.1HIGH 8.0
- TI-2025-20101 CWE-282 "Improper Ownership Management" in GE Vernova EnerVista UR Setup allows… CVSS 3.1HIGH 8.0
- TI-2025-08283 S1 Agile Privilege Escalation CVSS 4.0HIGH 7.5
- TI-2025-07045 Smallworld SWMFS Arbitrary File Ops CVSS 4.0MEDIUM 5.3
- TI-2025-20100 A CWE-15 "External Control of System or Configuration Setting" in GE Vernova UR IED… CVSS 3.1MEDIUM 6.1
Sources
- CVE-2025-27256 · CVE Program
- CVE-2025-27256 · NVD
- FIRST EPSS
- GHSA-gjhg-f944-56m2 · GitHub Advisory Database · CC BY 4.0
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