THREATPORT/VULNERABILITY/CVE-2021-22784
MEDIUM SEVERITY

CVE-2021-22784

C Bus Toolkit vulnerability

CVSS
5.7
EPSS
12.1%
EPSS pct
96th
Exploited
No known
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.
Affected vendor
Schneider Electric
Affected product
C Bus Toolkit
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N
Weakness type (CWE)
  • CWE-306 — Missing Authentication for Critical Function
Published
2021-07-21

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring low privileges, user interaction. Successful exploitation leads to high impact to integrity.

Its EPSS score of 12.1% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2021-22784

  • Confirm whether Schneider Electric C Bus Toolkit is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2021-22784.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-22784

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