CVE-2020-27890

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.2 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 63%
VendorProductVersion
tiz-stack
3.0.1
𝑥
= Vulnerable software versions
References
https://github.com/zigbeeprotocol/Z-Fuzzer/tree/master/vulnerabilities
https://www.ti.com/tool/Z-STACK
https://github.com/zigbeeprotocol/Z-Fuzzer/tree/master/vulnerabilities
https://www.ti.com/tool/Z-STACK