CVE-2021-27289
Quick assessment
Affected
n/a n/a
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
ZigBee是ZigBee开源的一种低速短距离传输的无线网络协议。 Zigbee v1.0.3版本存在安全漏洞，该漏洞源于Zigbee防重放机制实现不当，可能导致重放攻击。
Possible ATT&CK Techniques 2 AI
T1190 · Exploit Public-Facing Application T1557 · Adversary-in-the-Middle
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I. Basic Information for CVE-2021-27289
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A replay attack vulnerability was discovered in a Zigbee smart home kit manufactured by Ksix (Zigbee Gateway Module = v1.0.3, Door Sensor = v1.0.7, Motion Sensor = v1.0.12), where the Zigbee anti-replay mechanism - based on the frame counter field - is improperly implemented. As a result, an attacker within wireless range can resend captured packets with a higher sequence number, which the devices incorrectly accept as legitimate messages. This allows spoofed commands to be injected without authentication, triggering false alerts and misleading the user through notifications in the mobile application used to monitor the network.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
ZigBee 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ZigBee是ZigBee开源的一种低速短距离传输的无线网络协议。 Zigbee v1.0.3版本存在安全漏洞，该漏洞源于Zigbee防重放机制实现不当，可能导致重放攻击。
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 |
|---|---|---|---|---|
| - | n/a | n/a | - |
|
II. Public POCs for CVE-2021-27289
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | CVE-2021-27289: Playback Protection Bypass on Ksix Zigbee devices | https://github.com/TheMalwareGuardian/CVE-2021-27289 | POC Details |
AI-Generated POC
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Exploits & Public PoCs for CVE-2021-27289 (2)
Proof of Concept for CVE-2021-27289 (1)
Other References for CVE-2021-27289 (3)
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IV. Related Vulnerabilities
V. Comments for CVE-2021-27289
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