Auth bypass in Schneider-Electric C-Bus Toolkit
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.121 (96.0th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.121 · newest: 0.121 · change: 0.000
Affected products
- Schneider-Electric C-Bus Toolkit
- C-Bus Toolkit V1.15.8 And Prior — versions C-Bus Toolkit v1.15.8 and prior
Weakness classification (CWE)
References
- download.schneider-electric.com/files (Product, Vendor Advisory)
- www.tenable.com/security/research/tra-2021-50 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-22784?
- CVE-2021-22784 is a medium-severity vulnerability in Schneider-Electric C-Bus Toolkit, classified under Missing Authentication for Critical Function. CVSS score: 5.7/10. Published 2021-07-21.
- How severe is CVE-2021-22784?
- Medium severity. CVSS v3 base score is 5.7 out of 10.