CVE-2021-22784
MEDIUMCVSS 5.7/10EPSS 12.08%
Last modified
CVE-2021-22784 is a medium-severity vulnerability rated 5.7/10 on the CVSS scale. 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.. EPSS estimates a 12.08% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Schneider-Electric | C-Bus Toolkit | < 1.15.9 |
References
- http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-194-04Product, Vendor Advisory
- https://www.tenable.com/security/research/tra-2021-50Exploit, Third Party Advisory
- http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-194-04Product, Vendor Advisory
- https://www.tenable.com/security/research/tra-2021-50Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-22784?
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.
How severe is CVE-2021-22784?
CVE-2021-22784 has a CVSS score of 5.7/10 (MEDIUM severity). The EPSS model estimates a 12.08% probability of exploitation in the next 30 days.
How do I fix CVE-2021-22784?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-22784?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST