CVE-2021-27662

Published: Sep 15, 2021Modified: Nov 21, 2024

8.1

Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability: 2.2 / Impact: 5.9

Source: 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

Affected (1)

Products: Johnsoncontrols: Kantech Kt 1 Door Controller Firmware

Johnsoncontrols

1 product

Kantech Kt 1 Door Controller Firmware

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Johnsoncontrols Kantech Kt 1 Door Controller Firmware	Up to 3.01

Running on/with	Platform Versions
Johnsoncontrols Kantech Kt 1 Door Controller	All versions

Related CWEs

CWE-294

Authentication Bypass by Capture-replay

A capture-replay flaw exists when the design of the product makes it possible for a malicious user to sniff network traffic and bypass authentication by replaying it to the server in question to the same effect as the original message (or with minor changes).

References (4)

https://us-cert.gov/ics/advisories

Source: productsecurity@jci.com

Third Party AdvisoryUS Government Resource

https://www.johnsoncontrols.com/cyber-solutions/security-advisories

Source: productsecurity@jci.com

Vendor Advisory

https://us-cert.gov/ics/advisories

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party AdvisoryUS Government Resource

https://www.johnsoncontrols.com/cyber-solutions/security-advisories

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.