CVE-2021-27662

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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

8.6 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 4.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact HIGH

Availability Impact LOW

Scope UNCHANGED

6.8 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

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
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 (hide)

AND
cpe:2.3:o:johnsoncontrols:kantech_kt-1_door_controller_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:johnsoncontrols:kantech_kt-1_door_controller:-:*:*:*:*:*:*:*
History

21 Nov 2024, 05:58

Type Values Removed Values Added
References () https://us-cert.gov/ics/advisories - Third Party Advisory, US Government Resource () https://us-cert.gov/ics/advisories - Third Party Advisory, US Government Resource
References () https://www.johnsoncontrols.com/cyber-solutions/security-advisories - Vendor Advisory () https://www.johnsoncontrols.com/cyber-solutions/security-advisories - Vendor Advisory
CVSS v2 : 6.8
v3 : 8.1 		v2 : 6.8
v3 : 8.6

28 Sep 2021, 00:58

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : 6.8
v3 : 8.1
References (CONFIRM) https://www.johnsoncontrols.com/cyber-solutions/security-advisories - (CONFIRM) https://www.johnsoncontrols.com/cyber-solutions/security-advisories - Vendor Advisory
References (CERT) https://us-cert.gov/ics/advisories - (CERT) https://us-cert.gov/ics/advisories - Third Party Advisory, US Government Resource
CWE CWE-294
CPE cpe:2.3:h:johnsoncontrols:kantech_kt-1_door_controller:-:*:*:*:*:*:*:*
cpe:2.3:o:johnsoncontrols:kantech_kt-1_door_controller_firmware:*:*:*:*:*:*:*:*

15 Sep 2021, 13:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-09-15 13:15

Updated : 2024-11-21 05:58

NVD link : CVE-2021-27662

Mitre link : CVE-2021-27662

CVE.ORG link : CVE-2021-27662

JSON object : View

Products Affected

johnsoncontrols

  • kantech_kt-1_door_controller_firmware
  • kantech_kt-1_door_controller
CWE
CWE-294

Authentication Bypass by Capture-replay