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Fencer Vulns
high 7.8

CVE-2021-22797 in the critical feed json

A CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal) vulnerability exists that could cause malicious scr…

published 2022-03-28 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-9932

cvss
7.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
26.1%
EPSS 26.1% 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 that could cause malicious script to be deployed in an unauthorized location and may result in code execution on the engineering workstation when a malicious project file is loaded in the engineering software. Affected Product: EcoStruxure Control Expert (V15.0 SP1 and prior, including former Unity Pro), EcoStruxure Process Expert (2020 and prior, including former HDCS), SCADAPack RemoteConnect for x70 (All versions)

Patch / fix

  • Schneider Electric EcoStruxure Control Expert V15.0 SP1
  • Schneider Electric EcoStruxure Process Expert 2020

Vendor advisories

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

cisa ICSA-21-259-02 updated cvss 7.8

Schneider Electric EcoStruxure and SCADAPack

  • Schneider Electric Software, LLC EcoStruxure Control Expert Schneider Electric Software, LLC EcoStruxure Process Expert Schneider Electric Software, LLC SCADAPack RemoteConnect for x70
    affected: vendor fix, mitigation “Store project files in a secure storage location and limit access to the files to only trusted users.”

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

26.10% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

  • Schneider Electric EcoStruxure Control Expert
  • Schneider Electric EcoStruxure Process Expert
  • Schneider Electric SCADAPack RemoteConnect for x70

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.