Stack-based buffer overflow in ICS-CERT Schneider Electric InduSoft Web Studio and…
Priority MEDIUM 53CWE-121Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.
Summary
A remote attacker could send a carefully crafted packet in InduSoft Web Studio v8.1 and prior versions, and/or InTouch Machine Edition 2017 v8.1 and prior versions during a tag, alarm, or event related action such as read and write, which may allow remote code execution.
Why it matters now
EPSS 0.08628 95th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| ICS-CERT | Schneider Electric InduSoft Web Studio and InTouch Machine Edition | InduSoft Web Studio v8.1 and prior versions, and InTouch Machine Edition 2017 v8.1 and prior versions. | — | No fix listed | CNA |
- Schneider Electric InduSoft Web Studio and InTouch Machine Edition VendorICS-CERT Affected InduSoft Web Studio v8.1 and prior versions, and InTouch Machine Edition 2017 v8.1 and prior versions. Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:indusoft:web_studio:*:*:*:*:*:*:*:* | up to 8.1 | Vulnerable | InduSoft |
| cpe:2.3:a:industrial-software:intouch_machine_edition_2017:*:*:*:*:*:*:*:* | up to 8.1 | Vulnerable | Industrial-software |
- cpe:2.3:a:indusoft:web_studio:*:*:*:*:*:*:*:* Versions up to 8.1 Vulnerable ·InduSoft
- cpe:2.3:a:industrial-software:intouch_machine_edition_2017:*:*:*:*:*:*:*:* Versions up to 8.1 Vulnerable ·Industrial-software
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-8840
- 2026-10-03 Alias added: GHSA-794x-w4ff-7p84
- 2026-10-13 EPSS moved to the 95th–99th percentile
References
Sources
- CVE-2018-8840 · CVE Program
- CVE-2018-8840 · NVD
- FIRST EPSS
- GHSA-794x-w4ff-7p84 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences