Security readout for executives and security teams
Plain-English summary
Schneider Electric U.motion Builder versions before v1.3.4 have a directory traversal flaw in css.inc.php. In business terms, a vulnerable installation may let an attacker reach files outside the intended CSS path. The public bundle does not provide CVSS, authentication requirements, or confirmed impact details.
Executive priority
Treat this as an inventory-and-remediation item for Schneider U.motion environments. Prioritize externally reachable or shared administrative systems first. Urgency cannot be fully quantified from the provided sources because severity and exploitation evidence are incomplete.
Technical view
CVE-2018-7763 affects Schneider Electric U.motion Builder Software before v1.3.4. The css parameter in css.inc.php contains a directory traversal vulnerability. The provided sources do not define a CWE, CVSS score, exploitability prerequisites, affected deployment modes, or whether file disclosure or broader impact is confirmed.
Likely exposure
Exposure is limited to organizations running Schneider Electric U.motion Builder Software before v1.3.4. Risk is higher where the affected PHP component is reachable from untrusted users or networks. The bundle does not identify cloud services, appliances, or other Schneider products as affected.
Exploitation context
The source bundle does not show CISA KEV listing or any cited evidence of active exploitation. Public details identify the vulnerable parameter but do not provide reliable exploit status, attack complexity, authentication requirements, or observed campaigns.
Researcher notes
The public record is sparse: affected version range and vulnerable parameter are known, but CVSS, CWE, authentication, impact boundaries, and exploit status are absent. Avoid assuming affected products beyond U.motion Builder Software prior to v1.3.4.
Mitigation direction
- Upgrade U.motion Builder Software to v1.3.4 or later.
- Review Schneider Electric advisory SEVD-2018-095-01 for vendor guidance.
- Restrict access to U.motion Builder components to trusted administrative networks.
- Monitor vendor channels for any updated remediation or exposure guidance.
Validation and detection
- Inventory all U.motion Builder installations and record exact software versions.
- Confirm no installation remains on a version earlier than v1.3.4.
- Review web access logs for suspicious requests involving the css parameter.
- Verify administrative access paths are not reachable from untrusted networks.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
File access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2018-7763 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.schneider-electric.com/en/download/document/SEVD-2018-095-01/CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.