AUGUST 4, 2026
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Case File

CVE-2021-22764

MEDIUM · CVSS 5.3 EPSS 1.87%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-06-11 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.3. See the original NVD description below for full technical details.

CVE
CVE-2021-22764
Severity
MEDIUM
CVSS
5.3
EPSS
1.87%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)