Security readout for executives and security teams
Plain-English summary
CVE-2019-6827 is an out-of-bounds write issue in IGSS Version 14 and prior. The reported impact is a software crash when data in the MDB database is manipulated. For executives, the main concern is operational availability in environments using this SCADA platform, not confirmed data theft or active exploitation.
Executive priority
Treat this as an OT availability risk requiring asset confirmation and vendor-guided remediation. It is not supported as an emergency active-exploitation case by the provided evidence, but SCADA crashes can still affect operational continuity.
Technical view
The CVE describes CWE-787 in Interactive Graphical SCADA System (IGSS) Version 14 and prior. The source bundle states manipulated MDB database data could cause a software crash. It does not provide CVSS scoring, access vector, privilege requirements, code execution impact, or a specific fixed version.
Likely exposure
Exposure is limited to organizations running IGSS Version 14 or earlier. Risk is most relevant where IGSS MDB database files can be modified, imported, or handled by users, automation, or maintenance workflows.
Exploitation context
The provided sources do not show active exploitation, and the CVE is not listed as KEV in the bundle. ZDI and Schneider references indicate public disclosure, but the bundle does not include exploit maturity or weaponized exploit evidence.
Researcher notes
Key missing details are attack vector, privileges, user interaction, CVSS metrics, exact fixed release, and whether the crash can progress beyond denial of service. Avoid assuming remote exploitability or code execution from the provided bundle.
Mitigation direction
- Review Schneider advisory SEVD-2019-190-02 for official remediation guidance.
- Inventory IGSS deployments and identify Version 14 or earlier installations.
- Restrict write access to IGSS MDB database files to authorized personnel and processes.
- Back up IGSS project and database files before applying vendor updates.
- Monitor OT change-management logs for unexpected IGSS database modifications.
Validation and detection
- Confirm IGSS product version on all engineering and operator workstations.
- Check whether any IGSS Version 14 or earlier systems remain in production.
- Review file permissions around IGSS MDB database storage locations.
- Verify whether Schneider guidance has been applied to affected deployments.
- Document business processes that modify or import IGSS database data.
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.
CWE-787: 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 lookupDatabase behavior lookup
The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2019-6827 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/ww/en/download/document/SEVD-2019-190-02CVE reference · x_refsource_MISC
- https://www.zerodayinitiative.com/advisories/ZDI-19-671/CVE 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.
Out-of-bounds Write
Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.