PORTSERV.exe in Emerson DeltaV and DeltaV Workstations 9.3.1, 10.3.1, 11.3, and 11.3.1 and DeltaV ProEssentials Scientific Graph 5.0.0.6 allows remote attackers to cause a denial of service (daemon crash) via a crafted (1) TCP or (2) UDP packet to port 111.
Conclusion & alert: CVE-2012-1816 is rated Moderate Risk (48.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.94%). Core evidence: EPSS rose +1.15% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.78% | 1.94% | +1.15% |
| 2 | 2025-03-30 | 0.70% | 0.78% | +0.09% |
| 3 | 2025-03-29 | — | 0.70% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| emerson | deltav | 9.3.1 | cpe:2.3:a:emerson:deltav:9.3.1:*:*:*:*:*:*:* |
| emerson | deltav | 10.3.1 | cpe:2.3:a:emerson:deltav:10.3.1:*:*:*:*:*:*:* |
| emerson | deltav | 11.3 | cpe:2.3:a:emerson:deltav:11.3:*:*:*:*:*:*:* |
| emerson | deltav | 11.3.1 | cpe:2.3:a:emerson:deltav:11.3.1:*:*:*:*:*:*:* |
| emerson | deltav_proessentials_scientific_graph | 5.0.0.6 | cpe:2.3:a:emerson:deltav_proessentials_scientific_graph:5.0.0.6:*:*:*:*:*:*:* |
| emerson | deltav_workstation | 9.3.1 | cpe:2.3:a:emerson:deltav_workstation:9.3.1:*:*:*:*:*:*:* |
| emerson | deltav_workstation | 10.3.1 | cpe:2.3:a:emerson:deltav_workstation:10.3.1:*:*:*:*:*:*:* |
| emerson | deltav_workstation | 11.3 | cpe:2.3:a:emerson:deltav_workstation:11.3:*:*:*:*:*:*:* |
| emerson | deltav_workstation | 11.3.1 | cpe:2.3:a:emerson:deltav_workstation:11.3.1:*:*:*:*:*:*:* |