CVE-2021-22797

highpriority · track · 40EPSS 0.261 · 98 %ileEUUS
grimoire priorityP1 · Urgent
Exploitable?
—
no known exploitation
Likely / severe?
26.1% (98th) EPSS
CVSS 9.3 · high
Is it mine?
12 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-27

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)

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • FixedEcoStruxure Control Expertcisa_csaf_ot

    Harden the workstations running EcoStruxure Control Expert, EcoStruxure Process Expert, or SCADAPack RemoteConnect.

  • FixedEcoStruxure Process Expertcisa_csaf_ot

    Harden the workstations running EcoStruxure Control Expert, EcoStruxure Process Expert, or SCADAPack RemoteConnect.

  • FixedSCADAPack RemoteConnect for x70cisa_csaf_ot

    Harden the workstations running EcoStruxure Control Expert, EcoStruxure Process Expert, or SCADAPack RemoteConnect.

  • MitigationEcoStruxure Control Expertcisa_csaf_ot

    Compute a checksum on all project files and check the consistency of the checksum to verify the integrity before usage.

  • MitigationEcoStruxure Process Expertcisa_csaf_ot

    Compute a checksum on all project files and check the consistency of the checksum to verify the integrity before usage.

  • MitigationSCADAPack RemoteConnect for x70cisa_csaf_ot

    Compute a checksum on all project files and check the consistency of the checksum to verify the integrity before usage.

02

cvss

Technical severity, 0–10. One row per scoring source.

9.3
010

base score 0–10 · higher = more severe · hover a vector to decode

v2.09.3highAV:N/AC:M/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 8.6 · impact 10
v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9
v3.07.8highCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · CISA US
v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · ENISA EU
v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · cybersecurity@se.comexploitability 1.8 · impact 5.9
v3.17.1highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-22USCWE-22US
04

affected products (12)

Products and version ranges known to be affected.

05

advisories (1)

Vendor and ecosystem advisories describing this.

  • ICSA-21-259-02Schneider Electric EcoStruxure and SCADAPack2021-09-16icsa · cisa_csaf_otUS

    Successful exploitation of this vulnerability could result in code execution on the engineering workstation.

06

also known as (3)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdcisa_csaf_otnvdNVDCVE.orgMITRE
published 2022-04-13modified 2026-06-17
08

references (6)

External citations — patches, advisories, analysis.

scry

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