SEPTEMBER 28, 2026
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Case File

CVE-2021-37401

CRITICAL · CVSS 9.8 EPSS 1.34%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-12-28 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. See the original NVD description below for full technical details.

CVE
CVE-2021-37401
Severity
CRITICAL
CVSS
9.8
EPSS
1.34%

Original NVD Description

An attacker may obtain the user credentials from file servers, backup repositories, or ZLD files saved in SD cards. As a result, the PLC user program may be uploaded, altered, and/or downloaded.

Related CVEs

Other vulnerabilities affecting the same vendor(s)