AUGUST 4, 2026
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Case File

CVE-2021-27662

HIGH · CVSS 8.6 EPSS 0.84%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-09-15 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2021-27662
Severity
HIGH
CVSS
8.6
EPSS
0.84%

Original NVD Description

The KT-1 door controller is susceptible to replay or man-in-the-middle attacks where an attacker can record and replay TCP packets. This issue affects Johnson Controls KT-1 all versions up to and including 3.01