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Status published
Unknown
CVE-2021-22764
A CWE-287: Improper Authentication vulnerability exists in PowerLogic PM55xx, PowerLogic...
Vulnerability Description
A CWE-287: Improper Authentication vulnerability exists in PowerLogic PM55xx, PowerLogic PM8ECC, PowerLogic EGX100 and PowerLogic EGX300 (see security notification for version infromation) that could cause loss of connectivity to the device via Modbus TCP protocol when an attacker sends a specially crafted HTTP request.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
Affected Software
PowerLogic PM55xx, PowerLogic EGX100, and PowerLogic EGX300 (see security notification for version infromation)
Vulnerable Versions:
PowerLogic PM55xx, PowerLogic EGX100, and PowerLogic EGX300 (see security notification for version infromation)
Timeline
Official Publish:
June 11th, 2021
Last Modified:
May 29th, 2026
Added to House:
July 21st, 2026
CVSS Vectors
No vector data available