CVE-2021-22716
A CWE-269: Improper Privilege Management vulnerability exists in C-Bus Toolkit (V1.15.7 and prior...
A CWE-732: Incorrect Permission Assignment for Critical Resource vulnerability exists that could allow remote code execution when an unprivileged user modifies a file. Affected Product: C-Bus Toolkit (V1.15.9 and prior)
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
A CWE-732: Incorrect Permission Assignment for Critical Resource vulnerability exists that could allow remote code execution when an unprivileged user modifies a file. Affected Product: C-Bus Toolkit (V1.15.9 and prior)
- Record
CVE-2021-22716- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-732
- Updated
- 2026-11-02
EUVDEUVD-2021-9851
A CWE-732: Incorrect Permission Assignment for Critical Resource vulnerability exists that could allow remote code execution when an unprivileged user modifies a file. Affected Product: C-Bus Toolkit (V1.15.9 and prior)
- Record
EUVD-2021-9851- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-h57p-xqpc-6hj8
A CWE-269: Improper Privilege Management vulnerability exists in C-Bus Toolkit (V1.15.7 and prior...
A CWE-269: Improper Privilege Management vulnerability exists in C-Bus Toolkit (V1.15.7 and prior) that could allow a remote code execution when an unprivileged user modifies a file.
- Record
GHSA-h57p-xqpc-6hj8- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-269, CWE-732
- Updated
- 2026-11-02
NVD
A CWE-732: Incorrect Permission Assignment for Critical Resource vulnerability exists that could allow remote code execution when an unprivileged user modifies a file. Affected Product: C-Bus Toolkit (V1.15.9 and prior)
- Record
CVE-2021-22716- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-732
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-22716 is a high vulnerability (CVSS 7.8) in Schneider Electric C-bus Toolkit, published April 13, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.79%, the 56th percentile. No source names a fixed version.
References
download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-103-01&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2021-103-01_C-Bus_Toolkit_C-Gate_Server_Security_Notification.pdf
us-cert.cisa.gov/ics/advisories/icsa-21-105-01
nvd.nist.gov/vuln/detail/CVE-2021-22716
zerodayinitiative.com/advisories/ZDI-21-562
github.com/advisories/GHSA-h57p-xqpc-6hj8