Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2021-27662— KT-1 Capture-replay

Quick assessment

Affected
Johnson Controls KT-1
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Johnson Controls International PLC. KT-1是美国江森自控国际（Johnson Controls International PLC.）公司的是一个以太网就绪的单门控制器。用于连接到 DSC PowerSeries 或其他报警面板以进行入侵集成。 KT-1存在安全漏洞，攻击者可利用该漏洞触发重放攻击。

CVSS 8.6 · High EPSS 0.84% · P56
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-27662

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
KT-1 Capture-replay
Source: CVE Program / CVE List V5
Vulnerability 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
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
使用捕获-重放进行的认证绕过
Source: CVE Program / CVE List V5
Vulnerability Title
Johnson Controls KT-1 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Johnson Controls International PLC. KT-1是美国江森自控国际（Johnson Controls International PLC.）公司的是一个以太网就绪的单门控制器。用于连接到 DSC PowerSeries 或其他报警面板以进行入侵集成。 KT-1存在安全漏洞，攻击者可利用该漏洞触发重放攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Johnson Controls KT-1 all versions up to and including 3.01 ~ 3.01 -

II. Public POCs for CVE-2021-27662

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-27662

请登录查看更多情报信息。

Other References for CVE-2021-27662 (1)

IV. Related Vulnerabilities

Same vendor: Johnson Controls
Same weakness: CWE-294

V. Comments for CVE-2021-27662

No comments yet

Leave a comment