How severe is CVE-2018-7784?

CVE-2018-7784 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-7784 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-7784?

CVE-2018-7784 affects Schneider-electric U.motion. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-7784?

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

When was CVE-2018-7784 published?

CVE-2018-7784 was published on 2018-07-03 and last updated on 2026-06-17.

CVE-2018-7784

CVE-2018-7784 is a critical-severity vulnerability in Schneider-electric U.motion with a CVSS 3.x base score of 9.8. 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-20.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Schneider-electric U.motion
Published: 2018-07-03
Last modified: 2026-06-17

Description

In Schneider Electric U.motion Builder software versions prior to v1.3.4, this exploit occurs when the submitted data of an input string is evaluated as a command by the application. In this way, the attacker could execute code, read the stack, or cause a segmentation fault in the running application.

Frequently asked questions

What is CVE-2018-7784?: In Schneider Electric U.motion Builder software versions prior to v1.3.4, this exploit occurs when the submitted data of an input string is evaluated as a command by the application. In this way, the attacker could execute code, read the stack, or cause a segmentation fault in the running application.
How severe is CVE-2018-7784?: CVE-2018-7784 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-7784 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-7784?: CVE-2018-7784 affects Schneider-electric U.motion. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-7784?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-7784 published?: CVE-2018-7784 was published on 2018-07-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:schneider-electric:u.motion:*:*:*:*:*:*:*:*

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