No exploitation reportedFix available

CVE-2018-7771

Q: Is CVE-2018-7771 actively exploited?

Active exploitation of CVE-2018-7771 has not been confirmed. Its EPSS score was 1.4% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2018-7771?

CVE-2018-7771 has a CVSS v3 base score of 8 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2018-07-03
Fixed in1.3.4
WeaknessCWE-22

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

The vulnerability exists within processing of editscript.php in Schneider Electric U.motion Builder software versions prior to v1.3.4. A directory traversal vulnerability allows a caller with standard user privileges to write arbitrary php files anywhere in the web service directory tree.

Timeline

dates in UTC

2018-07-0314:29CVE 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-2018-7771?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-7771?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 u.motion builder

Branch	Affected	Fixed in	Source
1.3	< 1.3.4	1.3.4	NVD

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

Fix

Update Schneider-electric u.motion builder to 1.3.4

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 3.08read 2026-10-23
NVDCVSS 2.06read 2026-10-23
NVDweakness (CWE)CWE-22read 2026-10-23
FIRST EPSSEPSS score1.4 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Published: 2018-07-03
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2018-7771?

Is CVE-2018-7771 actively exploited?

Active exploitation of CVE-2018-7771 has not been confirmed. Its EPSS score was 1.4% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-7771?

CVE-2018-7771 has a CVSS v3 base score of 8 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

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