Memory corruption in Harmony HMI Products Configured by Vijeo Designer or EcoStruxure…
Priority LOW 34CWE-119Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- 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 3.1 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists that could cause denial of service or unauthorized access to system information when interacting directly with a driver installed by Vijeo Designer or EcoStruxure Machine Expert
Why it matters now
EPSS 0.00246 15th 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 |
|---|---|---|---|---|---|
| — | Harmony HMI Products Configured by Vijeo Designer (all versions prior to V6.2 SP11 ) or EcoStruxure Machine Expert (all versions prior to V2.0) | Harmony HMI Products Configured by Vijeo Designer (all versions prior to V6.2 SP11 ) or EcoStruxure Machine Expert (all versions prior to V2.0) | — | No fix listed | CNA |
- Harmony HMI Products Configured by Vijeo Designer (all versions prior to V6.2 SP11 ) or EcoStruxure Machine Expert (all versions prior to V2.0) Vendor— Affected Harmony HMI Products Configured by Vijeo Designer (all versions prior to V6.2 SP11 ) or EcoStruxure Machine Expert (all versions prior to V2.0) Fixed in — No fix listed CNA
CPE configurations NVD · 9
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:schneider-electric:vijeo_designer:*:*:*:*:*:*:*:* | before 6.2.11 | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:harmony_gk:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
| cpe:2.3:h:schneider-electric:harmony_gto:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
| cpe:2.3:h:schneider-electric:harmony_gtu:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
| cpe:2.3:h:schneider-electric:harmony_gtux:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
| cpe:2.3:h:schneider-electric:harmony_sto:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
| cpe:2.3:h:schneider-electric:harmony_stu:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
| cpe:2.3:a:schneider-electric:ecostruxure_machine_expert:*:*:*:*:*:*:*:* | before 2.0 | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:harmony_hmiscu:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
- cpe:2.3:a:schneider-electric:vijeo_designer:*:*:*:*:*:*:*:* Versions before 6.2.11 Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:harmony_gk:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
- cpe:2.3:h:schneider-electric:harmony_gto:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
- cpe:2.3:h:schneider-electric:harmony_gtu:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
- cpe:2.3:h:schneider-electric:harmony_gtux:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
- cpe:2.3:h:schneider-electric:harmony_sto:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
- cpe:2.3:h:schneider-electric:harmony_stu:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
- cpe:2.3:a:schneider-electric:ecostruxure_machine_expert:*:*:*:*:*:*:*:* Versions before 2.0 Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:harmony_hmiscu:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-22705
- 2026-10-03 Alias added: GHSA-j25f-486x-cqmj
More Schneider Electric Ecostruxure Machine Expert vulnerabilities
- TI-2020-06012 Injection in SoMachine Basic EcoStruxure Machine Expert – Basic Modicon M100 Logic… CVSS 3.1CRITICAL 9.8
- TI-2020-06010 Insufficient verification of data authenticity in EcoStruxure Machine Expert SoMachine… CVSS 3.1CRITICAL 9.8
- TI-2021-05586 Path traversal in Harmony/HMI Products Configured by Vijeo Designer , Vijeo Designer… CVSS 3.1CRITICAL 9.1
- TI-2020-06011 Cleartext transmission of sensitive information in EcoStruxure Machine Expert SoMachine… CVSS 3.1HIGH 7.5
Sources
- CVE-2021-22705 · CVE Program
- CVE-2021-22705 · NVD
- FIRST EPSS
- GHSA-j25f-486x-cqmj · 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