CVE-2018-14793

mediumpriority · track · 35EPSS 0.010 · 63 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.03% (63rd) EPSS

CVSS 5.8 · medium

Is it mine?

8 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-27

DeltaV Versions 11.3.1, 12.3.1, 13.3.0, 13.3.1, and R5 is vulnerable to a buffer overflow exploit through an open communication port to allow arbitrary code execution.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedDeltaVcisa_csaf_ot
DeltaV DCS Versions: 11.3.1, 12.3.1, 13.3.0, 13.3.1, and R5: Apply patch from vendor.
MitigationDeltaVcisa_csaf_ot
Software patches are available to users with access to the Guardian Support Portal at https://guardian.emersonprocess.com/. Please refer to the Knowledge Base Article AK-1800- 0042 (DSN18003) for more information.
https://guardian.emersonprocess.com/

cvss

Technical severity, 0–10. One row per scoring source.

9.6

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 5.8–9.6

v2.05.8mediumAV:A/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 6.5 · impact 6.4

v3.08.8highCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.09.6criticalCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:Hsecondary · CISA US

v3.08.1highCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USprimaryCWE-121USCWE-121US

affected products (8)

Products and version ranges known to be affected.

DeltaV: v11.3.1 v12.3.1 v13.3.0 v13.3.1 R5all versionscisa_csaf_otUS
Emerson DeltaVall versionscisa_csaf_otUS
ICS-CERT DeltaV≤ Versions 11.3.1, 12.3.1, 13.3.0, 13.3.1, and R5enisa_euvdEU
emerson deltav= 11.3.1nvdUScpe:2.3:a:emerson:deltav:*:*:*:*:*:*:*:*
emerson deltav= 12.3.1nvdUScpe:2.3:a:emerson:deltav:*:*:*:*:*:*:*:*
emerson deltav= 13.3.0nvdUScpe:2.3:a:emerson:deltav:*:*:*:*:*:*:*:*
emerson deltav= 13.3.1nvdUScpe:2.3:a:emerson:deltav:*:*:*:*:*:*:*:*
emerson deltav= r5nvdUScpe:2.3:a:emerson:deltav:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-18-228-01Emerson DeltaV DCS Workstations2018-08-16icsa · cisa_csaf_otUS
Successful exploitation of these vulnerabilities could allow arbitrary code execution, malware injection, or malware to spread to other workstations.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cisa_csaf_ot nvd NVD CVE.org MITRE

published 2018-08-21modified 2026-06-17

related (21,043)

Related entries.

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CVE-2026-8452US	critical9.8OT critical	1.01% (63rd)	KEV	2026-06-30
Memory overflow vulnerability NetScaler ADC and NetScaler Gateway leading to unpredictable or erroneous behavior and Denial of Service if the appliance is configured as a Gateway (…
CVE-2026-53266US	—OT critical	0.93% (61st)	KEV	2026-06-25
In the Linux kernel, the following vulnerability has been resolved: netfilter: bridge: make ebt_snat ARP rewrite writable The ebtables SNAT target keeps the Ethernet source addre…
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+21038 more

references (7)

External citations — patches, advisories, analysis.

http://www.emerson.com/Patchcnnvd
https://ics-cert.us-cert.gov/advisories/ICSA-18-228-01 cnnvd
https://www.securityfocus.com/bid/105105 cnnvd
http://www.securityfocus.com/bid/105105 enisa_euvd
https://ics-cert.us-cert.gov/advisories/ICSA-18-228-01 enisa_euvd
http://www.securityfocus.com/bid/105105Third Party AdvisoryVDB Entrynvd
https://ics-cert.us-cert.gov/advisories/ICSA-18-228-01Third Party AdvisoryUS Government Resourcenvd

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