CVE-2021-22809
Medium
Published: 28 January 2022
Published
28 January 2022
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS Score
0.0023
45.5th percentile
Risk Priority
11
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-22809 is a medium-severity Out-of-bounds Read (CWE-125) vulnerability in Schneider-Electric Guicon. Its CVSS base score is 5.5 (Medium).
Operationally, ranked at the 45.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-9944
Vulnerability details
A CWE-125:Out-of-Bounds Read vulnerability exists that could cause unintended data disclosure when a malicious *.gd1 configuration file is loaded into the GUIcon tool. Affected Product: Eurotherm by Schneider Electric GUIcon Version 2.0 (Build 683.003) and prior
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
schneider-electric
guicon
≤ 2.0
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.