How severe is CVE-2018-7777?

CVE-2018-7777 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-7777 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 32% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-7777?

CVE-2018-7777 affects Schneider-electric U.motion Builder. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-7777?

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-2018-7777 published?

CVE-2018-7777 was published on 2018-07-03 and last updated on 2026-06-17.

CVE-2018-7777

CVE-2018-7777 is a high-severity vulnerability in Schneider-electric U.motion Builder with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 32% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 32% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Schneider-electric U.motion Builder
Published: 2018-07-03
Last modified: 2026-06-17

Description

The vulnerability is due to insufficient handling of update_file request parameter on update_module.php in Schneider Electric U.motion Builder software versions prior to v1.3.4. A remote, authenticated attacker can exploit this vulnerability by sending a crafted request to the target server.

Frequently asked questions

What is CVE-2018-7777?: The vulnerability is due to insufficient handling of update_file request parameter on update_module.php in Schneider Electric U.motion Builder software versions prior to v1.3.4. A remote, authenticated attacker can exploit this vulnerability by sending a crafted request to the target server.
How severe is CVE-2018-7777?: CVE-2018-7777 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-7777 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 32% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-7777?: CVE-2018-7777 affects Schneider-electric U.motion Builder. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-7777?: 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-2018-7777 published?: CVE-2018-7777 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_builder:*:*:*:*:*:*:*:*

More vulnerabilities in Schneider-electric U.motion Builder

CVE-2018-7841 — Critical (CVSS 9.8): A SQL Injection (CWE-89) vulnerability exists in U.motion Builder software version 1.3.4 which could cause unwanted…
CVE-2018-7785 — Critical (CVSS 9.8): In Schneider Electric U.motion Builder software versions prior to v1.3.4, a remote command injection allows…
CVE-2017-9957 — Critical (CVSS 9.8): A vulnerability exists in Schneider Electric's U.motion Builder software versions 1.2.1 and prior in which the web…
CVE-2017-7974 — Critical (CVSS 9.8): A path traversal information disclosure vulnerability exists in Schneider Electric's U.motion Builder software versions…
CVE-2017-7973 — Critical (CVSS 9.8): A SQL injection vulnerability exists in Schneider Electric's U.motion Builder software versions 1.2.1 and prior in…
CVE-2018-7774 — High (CVSS 8.8): The vulnerability exists within processing of localize.php in Schneider Electric U.motion Builder software versions…

All CVEs affecting Schneider-electric U.motion Builder →

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →