THREATPORT/VULNERABILITY/CVE-2021-22720
HIGH SEVERITY

CVE-2021-22720

C Bus Toolkit vulnerability

CVSS
7.2
EPSS
30.5%
EPSS pct
98th
Exploited
No known
A CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability exists in C-Bus Toolkit (V1.15.7 and prior) that could allow a remote code execution when restoring a project.
Affected vendor
Schneider Electric
Affected product
C Bus Toolkit
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
Published
2021-04-13

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring high privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 30.5% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2021-22720

  • 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-2021-22720.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-22720

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