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[email protected]CVE-2021-27662

HistorySep 15, 2021 - 1:15 p.m.

CVE-2021-27662

2021-09-1513:15:07

CWE-294

[email protected]

web.nvd.nist.gov

kt-1

door controller

vulnerability

replay attack

nvd

cve-2021-27662

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

8.6 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

HIGH

Availability Impact

LOW

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

7.9 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

52.6%

JSON

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 configurations

NVD

Node

johnsoncontrolskantech_kt-1_door_controller_firmwareRange≤3.01

AND

johnsoncontrolskantech_kt-1_door_controllerMatch-

CPENameOperatorVersion
johnsoncontrols:kantech_kt-1_door_controller_firmwarejohnsoncontrols kantech kt-1 door controller firmwarele3.01

CPE	Name	Operator	Version
johnsoncontrols:kantech_kt-1_door_controller_firmware	johnsoncontrols kantech kt-1 door controller firmware	le	3.01

CNA Affected

[
  {
    "product": "KT-1",
    "vendor": "Johnson Controls",
    "versions": [
      {
        "lessThanOrEqual": "3.01",
        "status": "affected",
        "version": "all versions up to and including 3.01",
        "versionType": "custom"
      }
    ]
  }
]

References

us-cert.gov/ics/advisories

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

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

8.6 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

HIGH

Availability Impact

LOW

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

7.9 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

52.6%

JSON

Related for CVE-2021-27662

ics2 prion1 nvd1 cvelist1