No exploitation reported

CVE-2018-7837

No exploitation reported by the sources we read.

Published2018-12-24
WeaknessCWE-611

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An Improper Restriction of XML External Entity Reference ('XXE') vulnerability exists on numerous methods of the IIoT Monitor 3.1.38 software that could allow the software to resolve documents outside of the intended sphere of control, causing the software to embed incorrect documents into its output and expose restricted information.

Timeline

dates in UTC

2018-12-2416:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2018-7837?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-7837?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Schneider-electric iiot monior

Branch	Affected	Fixed in	Source
3.1	= 3.1.38	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

ICSA-19-008-02 CISA1 known affected
Schneider Electric IIoT Monitor (Update A)
IIoT Monitor: Versions 3.1.38 and prior

Full record on NVD

Fix

Mitigation from the vendor CISA ICSA-19-008-02 · 1 productSchneider Electric recommends that affected users contact Schneider Electric customer support at https://www.schneider-electric.com/en/work/support/contacts.jsp for assistance in migrating to the latest software to resolve the issues.
Mitigation from the vendor CISA ICSA-19-008-02 · 1 productSchneider Electric has also released a security notification
Mitigation from the vendor CISA ICSA-19-008-02 · 1 productSchneider Electric strongly recommends implementing industry cybersecurity best practices
Mitigation from the vendor CISA ICSA-19-008-02 · 1 productLocate control and safety system networks and remote devices behind firewalls, and isolate them from the business network.
Mitigation from the vendor CISA ICSA-19-008-02 · 1 productPhysical controls should be in place so that no unauthorized person would have access to the ICS and safety controllers, peripheral equipment or the ICS and safety networks.
Mitigation from the vendor CISA ICSA-19-008-02 · 1 productAll controllers should reside in locked cabinets and never be left in the “Program” mode.

Advisories and patches

www.schneider-electric.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.07.5read 2026-10-23
NVDCVSS 2.05read 2026-10-23
NVDweakness (CWE)CWE-611read 2026-10-23
FIRST EPSSEPSS score1.2 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published: 2018-12-24
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2018-7837?

Is CVE-2018-7837 actively exploited?

Active exploitation of CVE-2018-7837 has not been confirmed. Its EPSS score was 1.2% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-7837?

CVE-2018-7837 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

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