CVE-2020-27892

high

Description

The Zigbee protocol implementation on Texas Instruments CC2538 devices with Z-Stack 3.0.1 does not properly process a ZCL Discover Commands Received Response message or a ZCL Discover Commands Generated Response message. It crashes in zclParseInDiscCmdsRspCmd().

References

https://www.ti.com/tool/Z-STACK

https://github.com/zigbeeprotocol/Z-Fuzzer/tree/master/vulnerabilities

Details

Source: Mitre, NVD

Published: 2020-10-27

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

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

Severity: High

EPSS

EPSS: 0.00536