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Fencer Vulns
high 7.2

CVE-2021-22720 in the critical feed json

A CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability exists in C-Bus Toolkit (V1.15.7 and…

published 2021-04-13 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-9855

cvss
7.2
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
31.5%
EPSS 31.5% chance of exploitation in 30 days, percentile 98%
public exploits
0
none known

Summary

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.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-21-105-01 updated cvss 6.5

Schneider Electric C-Bus Toolkit

  • Schneider Electric Software, LLC C-Bus Toolkit <= 1.15.7
    affected: mitigation “Schneider Electric recommends users update to the latest version available. A reboot will be needed after the update.” updates.clipsal.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

31.47% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • tenable.com https://www.tenable.com/security/research/tra-2021-50 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected products

  • n/a C-Bus Toolkit V1.15.7 and prior

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.