CVE-2021-22766 - Vulnerability Details - OpenCVE

A CWE-20: Improper Input Validation vulnerability exists in PowerLogic EGX100 (Versions 3.0.0 and newer) and PowerLogic EGX300 (All Versions) that could cause denial of service via a specially crafted HTTP packet

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00881.

Exploitation none

Automatable yes

Technical Impact partial

Vendors	Products
Schneider-electric	Powerlogic Egx100 Powerlogic Egx100 Firmware Powerlogic Egx300 Powerlogic Egx300 Firmware

Configuration 1 [-]

AND

cpe:2.3:o:schneider-electric:powerlogic_egx100_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:schneider-electric:powerlogic_egx100:-:*:*:*:*:*:*:*

Configuration 2 [-]

AND

cpe:2.3:o:schneider-electric:powerlogic_egx300_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:schneider-electric:powerlogic_egx300:-:*:*:*:*:*:*:*

No data.

No data.

References

Link	Providers
http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-159-03

History

Fri, 29 May 2026 14:30:00 +0000

Type	Values Removed	Values Added
Metrics	ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`	ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Tue, 24 Feb 2026 16:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: schneider

Published: 2021-06-11T15:40:47.000Z

Updated: 2026-05-29T13:46:20.881Z

Reserved: 2021-01-06T00:00:00.000Z

Link: CVE-2021-22766

Vulnrichment

Updated: 2024-08-03T18:51:07.422Z

NVD

Status : Modified

Published: 2021-06-11T16:15:10.523

Modified: 2026-05-29T15:16:18.500

Link: CVE-2021-22766

Redhat

No data.

OpenCVE Enrichment

No data.

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