Medium severity5.3NVD Advisory· Published Jun 11, 2021· Updated Jun 17, 2026
CVE-2021-22764
CVE-2021-22764
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.
Affected products
7- cpe:2.3:o:schneider-electric:powerlogic_pm5560_firmware:*:*:*:*:*:*:*:*Range: <2.7.8
- cpe:2.3:o:schneider-electric:powerlogic_pm5561_firmware:*:*:*:*:*:*:*:*Range: <10.7.3
cpe:2.3:o:schneider-electric:powerlogic_pm5562_firmware:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:schneider-electric:powerlogic_pm5562_firmware:*:*:*:*:*:*:*:*range: <=2.5.4
- cpe:2.3:o:schneider-electric:powerlogic_pm5563_firmware:*:*:*:*:*:*:*:*range: <2.7.8
Patches
Vulnerability mechanics
References
2News mentions
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