CVE-2018-14791

mediumpriority · track · 31EPSS 0.004 · 30 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.36% (30th) EPSS

CVSS 4.6 · 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

Emerson DeltaV DCS versions 11.3.1, 12.3.1, 13.3.0, 13.3.1, R5 may allow non-administrative users to change executable and library files on the affected products.

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
Vulnerabilities CVE-2018-14797, CVE-2018-14795, and CVE-2018-14791 cannot be exploited if application whitelisting is implemented since it would prevent files from being overwritten.

cvss

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

8.2

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.6–8.2

v2.04.6mediumAV:L/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 3.9 · impact 6.4

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.08.2highCVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:Hsecondary · CISA US

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/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-269USprimaryCWE-269US

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
Emerson DeltaV DCS≤ v11.3.1, v12.3.1, v13.3.0, v13.3.1, R5enisa_euvdEU
emerson deltav= 11.3.1nvdUScpe:2.3:a:emerson:deltav:*:*:*:*:*:*:*:*
emerson deltav= 12.3.1nvdUScpe:2.3:a:emerson:deltav:*:*:*:*:*:*:*:*
emerson deltav= 13.3nvdUScpe: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 2018-08-23modified 2026-06-17

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+6655 more

references (7)

External citations — patches, advisories, analysis.

https://ics-cert.us-cert.gov/advisories/ICSA-18-228-01 cnnvd
https://www.emerson.com/Patchcnnvd
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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