Security readout for executives and security teams
This vulnerability affects older Schneider Electric InduSoft Web Studio and InTouch Machine Edition systems. A remote attacker could trigger code execution by sending a crafted packet during tag, alarm, or event activity. For industrial environments, treat affected deployments as high priority, especially if reachable from business networks or remote access paths. Exposure is likely limited to organizations running the named Schneider Electric industrial software versions. Risk rises where engineering workstations, HMIs, or runtime systems are reachable over flat internal networks, remote access infrastructure, or poorly segmented operational technology environments. Prioritize discovery and remediation planning for any affected OT deployment. The business concern is not ordinary desktop compromise; successful exploitation could affect systems used to monitor or control industrial processes. Mitigation focus: Check Schneider Electric bulletin LFSEC00000125 for supported remediation guidance.; Upgrade or retire affected v8.1 and earlier deployments where vendor guidance supports it.; Restrict network access to affected systems to trusted OT hosts only..
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.
CWE-121: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2018-8840 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.tenable.com/security/research/tra-2018-07CVE reference · x_refsource_MISC
- https://ics-cert.us-cert.gov/advisories/ICSA-18-107-01CVE reference · x_refsource_MISC
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.
Stack-based Buffer Overflow
Stack-based Buffer Overflow represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.