CVE-2018-7777

mediumpriority · attend · 56EPSS 0.318 · 98 %ileexploit · PoCEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

31.8% (98th) EPSS

CVSS 6.5 · medium

Is it mine?

5 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-27

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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedU.motion Buildercisa_csaf_ot
Firmware 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.
MitigationU.motion Buildercisa_csaf_ot
Schneider Electric's security notice SEVD-2017-178-01 is available
http://www.schneider-electric.com/en/download/document/SEVD-2017-178-01/

cvss

Technical severity, 0–10. One row per scoring source.

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.5–8.8

v2.06.5mediumAV:N/AC:L/Au:S/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8 · impact 6.4

v3.08.8highCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.08.8highCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · CISA US

v3.08.3highCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)

v3.18.8highAV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USprimaryCWE-20USCWE-20US

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-47991Schneider Electric U.Motion Builder 1.3.4 - Authenticated Command InjectionPoC · exploit_db

affected products (5)

Products and version ranges known to be affected.

U.motion Builder: Versions 1.2.1 and priorall versionscisa_csaf_otUS
Schneider Electric Software, LLC U.motion Builder≤ 1.2.1cisa_csaf_otUS
Schneider Electric SE U.Motion≤ U.motion Builder Software, all versions prior to v1.3.4enisa_euvdEU
Schneider Electric U.motion Builder≤ 1.3.4fstec_bduRU
schneider-electric u.motion builder< 1.3.4nvdUScpe:2.3:a:schneider-electric:u.motion_builder:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-17-180-02Schneider Electric U.motion Builder (Update A)2017-06-29icsa · cisa_csaf_otUS
A successful exploit of these vulnerabilities could allow an attacker to execute arbitrary commands or compromise the confidentiality, integrity, and availability of the system.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cisa_csaf_ot nvd NVD CVE.org MITRE

published 2018-07-03modified 2026-06-17

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references (7)

External citations — patches, advisories, analysis.

scry

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