CVE-2021-22784
A CWE-306: Missing Authentication for Critical Function vulnerability exists in C-Bus Toolkit v1...
A CWE-306: Missing Authentication for Critical Function vulnerability exists in C-Bus Toolkit v1.15.8 and prior that could allow an attacker to use a crafted webpage to obtain remote access to the system.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
A CWE-306: Missing Authentication for Critical Function vulnerability exists in C-Bus Toolkit v1.15.8 and prior that could allow an attacker to use a crafted webpage to obtain remote access to the system.
- Record
CVE-2021-22784- CVSS 3.1
- 5.7 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-306
- Updated
- 2026-11-02
CVE List No score
A CWE-306: Missing Authentication for Critical Function vulnerability exists in C-Bus Toolkit v1.15.8 and prior that could allow an attacker to use a crafted webpage to obtain remote access to the system.
- Record
CVE-2021-22784- Weakness
- CWE-306
- Updated
- 2026-11-02
EUVDEUVD-2021-9919 No score
A CWE-306: Missing Authentication for Critical Function vulnerability exists in C-Bus Toolkit v1.15.8 and prior that could allow an attacker to use a crafted webpage to obtain remote access to the system.
- Record
EUVD-2021-9919- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qr38-4cpx-4vc3 No score
A CWE-306: Missing Authentication for Critical Function vulnerability exists in C-Bus Toolkit v1...
A CWE-306: Missing Authentication for Critical Function vulnerability exists in C-Bus Toolkit v1.15.8 and prior that could allow an attacker to use a crafted webpage to obtain remote access to the system.
- Record
GHSA-qr38-4cpx-4vc3- Weakness
- CWE-306
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-22784 is a medium vulnerability (CVSS 5.7) in Schneider-electric C-bus Toolkit, published July 21, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 12.1%, the 96th percentile. No source names a fixed version.