How severe is CVE-2018-7837?

CVE-2018-7837 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2018-7837 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-7837?

CVE-2018-7837 affects Schneider-electric Iiot Monior. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-7837?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-7837 published?

CVE-2018-7837 was published on 2018-12-24 and last updated on 2026-06-17.

CVE-2018-7837

CVE-2018-7837 is a high-severity vulnerability in Schneider-electric Iiot Monior with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-611.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-611
Affected product: Schneider-electric Iiot Monior
Published: 2018-12-24
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2018-7837?: 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.
How severe is CVE-2018-7837?: CVE-2018-7837 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-7837 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-7837?: CVE-2018-7837 affects Schneider-electric Iiot Monior. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-7837?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-7837 published?: CVE-2018-7837 was published on 2018-12-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:schneider-electric:iiot_monior:3.1.38:*:*:*:*:*:*:*

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