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Vulnerability record · CVE-2021-22817 · published 9 February 2022

CVE-2021-22817: Schneider-electric hmibmuhi29d2801 firmware incorrect default permissions vulnerability

Schneider Electric · Hmibmuhi29d2801 Firmware

A CWE-276: Incorrect Default Permissions vulnerability exists that could cause unauthorized access to the base installation directory leading to local privilege escalation. Affected Product: Harmony/Magelis iPC Series (All Versions), Vijeo Designer (All Versions prior to V6.2 SP11 Multiple HotFix 4), Vijeo Designer Basic (All Versions prior to V1.2.1)

7.8 CVSS 3.1 High EPSS 0.20% · top 91.2% CWE-276 · Incorrect default permissions
7.8CVSS 3.1 base score, v2 4.6
0.20%EPSS exploitation probability, 30 days
NoNot in CISA KEV
37Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

A CWE-276: Incorrect Default Permissions vulnerability exists that could cause unauthorized access to the base installation directory leading to local privilege escalation. Affected Product: Harmony/Magelis iPC Series (All Versions), Vijeo Designer (All Versions prior to V6.2 SP11 Multiple HotFix 4), Vijeo Designer Basic (All Versions prior to V1.2.1)

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

37 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-039-06 Vendor Advisory
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-039-06 Vendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-22817), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.