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
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.6 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
jciCNA
8.6 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
CVEADP
---
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Base Score
CVSS 3.x
EPSS Score
Percentile: 40%
VendorProductVersion
johnsoncontrolskantech_kt-1_door_controller_firmware
𝑥
≤ 3.01
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://us-cert.gov/ics/advisories
https://www.johnsoncontrols.com/cyber-solutions/security-advisories
https://us-cert.gov/ics/advisories
https://www.johnsoncontrols.com/cyber-solutions/security-advisories