CVE-2020-27890
Last modified
CVE-2020-27890 is a high-severity vulnerability rated 8.2/10 on the CVSS scale. 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.. EPSS estimates a 0.95% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Ti | Z-Stack | 3.0.1 |
References
- https://github.com/zigbeeprotocol/Z-Fuzzer/tree/master/vulnerabilitiesThird Party Advisory
- https://www.ti.com/tool/Z-STACKProduct, Vendor Advisory
- https://github.com/zigbeeprotocol/Z-Fuzzer/tree/master/vulnerabilitiesThird Party Advisory
- https://www.ti.com/tool/Z-STACKProduct, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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