VULNERABILITY INTELLIGENCE

CVE-2020-27890

CVSS score8.2 HIGH

EPSS probability0.97%

CISA KEVNot currently listed

Published2020-10-27

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

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.

Weakness classification

nvd@nist.gov: NVD-CWE-noinfo

Primary references

cve@mitre.org — Third Party Advisory
cve@mitre.org — Product, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Product, Vendor Advisory