CVE-2018-7799

highpriority · track · 32EPSS 0.028 · 86 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

2.79% (86th) EPSS

CVSS 9.3 · high

Is it mine?

11 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-28

A DLL hijacking vulnerability exists in Schneider Electric Software Update (SESU), all versions prior to V2.2.0, which could allow an attacker to execute arbitrary code on the targeted system when placing a specific DLL file.

remediations

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

No vendor fix yet; a mitigation is available.

MitigationSchneider Electric Software Update (SESU)cisa_csaf_ot
All controllers should reside in locked cabinets and never be left in the “Program” mode.
MitigationCitect SCADAcisa_csaf_ot
AVEVA recommends following industry cybersecurity best practices
MitigationVijeo Citectcisa_csaf_ot
AVEVA recommends following industry cybersecurity best practices

cvss

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

9.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.09.3highAV:N/AC:M/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 8.6 · impact 10

v3.07.8highCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.07.8highCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · CISA US

v3.07.1highCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-427USprimaryCWE-427US

affected products (11)

Products and version ranges known to be affected.

Citect SCADA: 2015all versionscisa_csaf_otUS
Citect SCADA: 2016all versionscisa_csaf_otUS
Citect SCADA: v7.40all versionscisa_csaf_otUS
Schneider Electric Software Update (SESU): all versions prior to v2.2.0all versionscisa_csaf_otUS
Vijeo Citect: 2015all versionscisa_csaf_otUS
Vijeo Citect: v7.40all versionscisa_csaf_otUS
AVEVA Software, LLC Citect SCADAall versionscisa_csaf_otUS
AVEVA Software, LLC Vijeo Citectall versionscisa_csaf_otUS
Schneider Electric Software, LLC Schneider Electric Software Update (SESU)< 2.2.0cisa_csaf_otUS
Schneider Electric SE Schneider Electric Software Update (SESU), all versions prior to V2.2.0≤ Schneider Electric Software Update (SESU), all versions prior to V2.2.0enisa_euvdEU
schneider-electric software update utility< 2.2.0nvdUScpe:2.3:a:schneider-electric:software_update_utility:*:*:*:*:*:*:*:*

advisories (2)

Vendor and ecosystem advisories describing this.

ICSA-18-305-02Schneider Electric Software Update (SESU) (Update A)2018-11-01icsa · cisa_csaf_otUS
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code on the target system.
ICSA-18-331-01AVEVA Vijeo Citect and Citect SCADA2018-11-27icsa · cisa_csaf_otUS
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code on the target system.

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 2018-11-02modified 2026-06-17

related (1,387)

Related entries.

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+1382 more

references (8)

External citations — patches, advisories, analysis.

https://ics-cert.us-cert.gov/advisories/ICSA-18-305-02 cnnvd
https://www.schneider-electric.com/en/download/document/SEVD-2018-298-01/cnnvd
http://www.securityfocus.com/bid/105951 enisa_euvd
https://ics-cert.us-cert.gov/advisories/ICSA-18-305-02 enisa_euvd
https://www.schneider-electric.com/en/download/document/SEVD-2018-298-01/enisa_euvd
http://www.securityfocus.com/bid/105951Third Party AdvisoryVDB Entrynvd
https://ics-cert.us-cert.gov/advisories/ICSA-18-305-02Third Party AdvisoryUS Government Resourcenvd
https://www.schneider-electric.com/en/download/document/SEVD-2018-298-01/Vendor Advisorynvd

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