Missing brute-force protection in Emerson DeltaV
Priority LOW 30CWE-307Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-307.
Summary
A specially crafted script could bypass the authentication of a maintenance port of Emerson DeltaV DCS Versions 11.3.1, 11.3.2, 12.3.1, 13.3.1, 14.3, R5.1, R6 and prior, which may allow an attacker to cause a denial of service.
Why it matters now
EPSS 0.00716 53rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Emerson | Emerson DeltaV | DeltaV DCS Versions 11.3.1, 11.3.2, 12.3.1, 13.3.1, 14.3, R5.1, R6 and prior. | — | No fix listed | CNA |
- Emerson DeltaV VendorEmerson Affected DeltaV DCS Versions 11.3.1, 11.3.2, 12.3.1, 13.3.1, 14.3, R5.1, R6 and prior. Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:emerson:deltav:*:*:*:*:*:*:*:* | r5.1 – r6 | Vulnerable | Emerson |
| cpe:2.3:a:emerson:deltav:11.3.1:*:*:*:*:*:*:* | 11.3.1 | Vulnerable | Emerson |
| cpe:2.3:a:emerson:deltav:11.3.2:*:*:*:*:*:*:* | 11.3.2 | Vulnerable | Emerson |
| cpe:2.3:a:emerson:deltav:12.3.1:*:*:*:*:*:*:* | 12.3.1 | Vulnerable | Emerson |
| cpe:2.3:a:emerson:deltav:13.3.1:*:*:*:*:*:*:* | 13.3.1 | Vulnerable | Emerson |
| cpe:2.3:a:emerson:deltav:14.3:*:*:*:*:*:*:* | 14.3 | Vulnerable | Emerson |
- cpe:2.3:a:emerson:deltav:*:*:*:*:*:*:*:* Versions r5.1 – r6 Vulnerable ·Emerson
- cpe:2.3:a:emerson:deltav:11.3.1:*:*:*:*:*:*:* Versions 11.3.1 Vulnerable ·Emerson
- cpe:2.3:a:emerson:deltav:11.3.2:*:*:*:*:*:*:* Versions 11.3.2 Vulnerable ·Emerson
- cpe:2.3:a:emerson:deltav:12.3.1:*:*:*:*:*:*:* Versions 12.3.1 Vulnerable ·Emerson
- cpe:2.3:a:emerson:deltav:13.3.1:*:*:*:*:*:*:* Versions 13.3.1 Vulnerable ·Emerson
- cpe:2.3:a:emerson:deltav:14.3:*:*:*:*:*:*:* Versions 14.3 Vulnerable ·Emerson
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-19021
- 2026-10-03 Alias added: GHSA-qpcc-rcr6-2cj9
References
More Emerson Deltav vulnerabilities
- TI-2018-10625 Path traversal in ICS-CERT DeltaV CVSS 3.0HIGH 8.8
- TI-2018-10623 Stack-based buffer overflow in ICS-CERT DeltaV CVSS 3.0HIGH 8.8
- TI-2012-01602 Buffer overflow in Emerson DeltaV and DeltaV Workstations 9.3.1, 10.3.1, 11.3, and 11.3.1… CVSS 2.0HIGH 7.5
- TI-2018-10627 Uncontrolled search path in Emerson DeltaV DCS CVSS 3.1HIGH 7.8
- TI-2014-01865 Emerson DeltaV Use of Hard-coded Credentials CVSS 2.0HIGH 7.5
- TI-2012-01600 SQL injection vulnerability in Emerson DeltaV and DeltaV Workstations 9.3.1, 10.3.1… CVSS 2.0HIGH 7.5
Sources
- CVE-2018-19021 · CVE Program
- CVE-2018-19021 · NVD
- FIRST EPSS
- GHSA-qpcc-rcr6-2cj9 · GitHub Advisory Database · CC BY 4.0
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