CVE-2018-11691

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 2.3%, top 19% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 2%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Emerson DeltaV Smart Switch Command Center application, available in versions 11.3.x and 12.3.1, was unable to change the DeltaV Smart Switches’ management password upon commissioning. Emerson released patches for DeltaV workstations to address this issue, and the patches can be downloaded from Emerson’s Guardian Support Portal. Please refer to the DeltaV Security Notification DSN19003 (KBA NK-1900-0808) for more information about this issue. DeltaV versions 13.3 and higher use the Network Device Command Center application to manage DeltaV Smart Switches, and this newer application is not impacted by this issue. After patching the Smart Switch Command Center, users are required to either commission the DeltaV Smart Switches or change password using the tool.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
50(Track)
EG Risk 50/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation2% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
81.5%
KEV
Not listed

Published

May 14, 2019

Last Modified

November 21, 2024

Advisory Details (2)

Auto-updated Jun 8, 2026
No patch confirmed yet.
generic

Emerson DeltaV Distributed Control System | CISA

https://www.us-cert.gov/ics/advisories/icsa-19-190-01
generic
http://www.securityfocus.com/bid/109110

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 11× in last 7d / 41× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-23 01:32 UTCEG score recompute
  2. 2026-07-22 22:12 UTCEG score recompute
  3. 2026-07-22 14:04 UTCEPSS rescore
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  58. 2026-05-27 19:40 UTCGHSA enrichment
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Frequently asked(5)

What is CVE-2018-11691?
CVE-2018-11691 is a critical vulnerability published on May 14, 2019. Emerson DeltaV Smart Switch Command Center application, available in versions 11.3.x and 12.3.1, was unable to change the DeltaV Smart Switches’ management password upon commissioning. Emerson released patches for DeltaV workstations to address this issue, and the patches can be downloaded from…
When was CVE-2018-11691 disclosed?
CVE-2018-11691 was first published in the National Vulnerability Database on May 14, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-11691 actively exploited?
CVE-2018-11691 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 81.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2018-11691?
CVE-2018-11691 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2018-11691?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-11691, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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