CVE Vulnerability

CVE-2021-27662

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

6.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

8.1 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://us-cert.gov/ics/advisories Third Party Advisory US Government Resource
https://www.johnsoncontrols.com/cyber-solutions/security-advisories Vendor Advisory
Configurations

Configuration 1
Information

Published : 2021-09-15 01:15

Updated : 2021-09-28 12:58

NVD link : CVE-2021-27662

Mitre link : CVE-2021-27662

Products Affected
No products.
CWE
CWE-294

Authentication Bypass by Capture-replay