AUGUST 4, 2026
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Case File

CVE-2021-20776

CRITICAL · CVSS 9.8 EPSS 1.29%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-07-07 · 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-2021-20776
Severity
CRITICAL
CVSS
9.8
EPSS
1.29%

Original NVD Description

Improper authentication vulnerability in SCT-40CM01SR and AT-40CM01SR allows an attacker to bypass access restriction and execute an arbitrary command via telnet.