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Public proof of conceptFix available

CVE-2018-7777

A public proof of concept exists; no exploitation attested.

  • Published2018-07-03
  • Fixed in1.3.4
  • WeaknessCWE-20

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 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.

Timeline

dates in UTC
  1. 2020-02-03Exploit-DB entryExploit-DB

Observed activity

isMalicious corpus · updated 2026-11-04 09:37 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-2018-7777?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-7777?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
BranchAffectedFixed in
1.3< 1.3.41.3.4

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-17-180-02 CISA1 known affected

    Schneider Electric U.motion Builder (Update A)

    U.motion Builder: Versions 1.2.1 and prior

Full record on NVD

Fix

  1. Update Schneider-electric u.motion builder to 1.3.4
  2. Vendor fix CISA ICSA-17-180-02 · 1 productFirmware update Version 1.3.4, which includes fixes for most of these vulnerabilities, has been released. It is highly recommended that U.motion Builder users apply the patch in a timely manner.
  3. Mitigation from the vendor CISA ICSA-17-180-02 · 1 productSchneider Electric's security notice SEVD-2017-178-01 is available
  4. Mitigation from the vendor CISA ICSA-17-180-02 · 1 productThe firmware is available for download
  5. Mitigation from the vendor CISA ICSA-17-180-02 · 1 productU.motion server firmware update Version 1.3.4 is available

Advisories and patches

Detection

read 2026-11-03 22:42 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
EDB-47991
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2018-07-03
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-w7gw-jv4v-mw2x

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.

Is CVE-2018-7777 actively exploited?

Active exploitation of CVE-2018-7777 has not been confirmed. Its EPSS score was 31.8% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-7777?

CVE-2018-7777 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record