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8.2
CVSSv3

CVE-2020-27890

Published: 27/10/2020 Updated: 21/07/2021
CVSS v2 Base Score: 6.4 | Impact Score: 4.9 | Exploitability Score: 10
CVSS v3 Base Score: 8.2 | Impact Score: 4.2 | Exploitability Score: 3.9
VMScore: 570
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:P
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Vulnerability Summary

The Zigbee protocol implementation on Texas Instruments CC2538 devices with Z-Stack 3.0.1 does not properly process a ZCL Write Attributes No Response message. It crashes in zclParseInWriteCmd() and does not update the specific attribute's value.

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ti z-stack 3.0.1

Github Repositories

https://github.com/zigbeeprotocol/Z-Fuzzer

A fuzzing platform for Zigbee protocol implementations

Z-Fuzzer: Zigbee Protocol Implementation Fuzzing Z-Fuzzer is a device-agnostic fuzzing platform to detect security vulnerabilities in Zigbee protocol implementations Z-Fuzzer provides a software simulation environment with pre-defined peripherals and hardware interrupts configurations to simulate Zigbee protocol execution on real IoT devices Z-Fuzzer leverages the coverage fe

References

NVD-CWE-noinfohttps://github.com/zigbeeprotocol/Z-Fuzzer/tree/master/vulnerabilitieshttps://www.ti.com/tool/Z-STACKhttps://nvd.nist.govhttps://github.com/zigbeeprotocol/Z-Fuzzer
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
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