Improper authentication in C-Bus Toolkit , C-Gate Server
Priority LOW 36CWE-287Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Security bypass
- 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-287.
Summary
A CWE-287: Improper Authentication vulnerability exists that could allow remote code execution when a malicious file is uploaded. Affected Product: C-Bus Toolkit (V1.15.9 and prior), C-Gate Server (V2.11.7 and prior)
Why it matters now
EPSS 0.01197 68th 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 |
|---|---|---|---|---|---|
| — | C-Bus Toolkit (V1.15.9 and prior), C-Gate Server (V2.11.7 and prior) | C-Bus Toolkit (V1.15.9 and prior), C-Gate Server (V2.11.7 and prior) | — | No fix listed | CNA |
- C-Bus Toolkit (V1.15.9 and prior), C-Gate Server (V2.11.7 and prior) Vendor— Affected C-Bus Toolkit (V1.15.9 and prior), C-Gate Server (V2.11.7 and prior) Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:schneider-electric:c-gate_server:*:*:*:*:*:*:*:* | up to 2.11.7 | Vulnerable | Schneider Electric |
- cpe:2.3:a:schneider-electric:c-gate_server:*:*:*:*:*:*:*:* Versions up to 2.11.7 Vulnerable ·Schneider Electric
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-22796
- 2026-10-03 Alias added: GHSA-f5vw-5hhh-hgvg
Sources
- CVE-2021-22796 · CVE Program
- CVE-2021-22796 · NVD
- FIRST EPSS
- GHSA-f5vw-5hhh-hgvg · 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