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Case File

CVE-2020-27890

HIGH · CVSS 8.2 EPSS 0.97% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-10-27 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2020-27890
Severity
HIGH
CVSS
8.2
EPSS
0.97%

Original NVD 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.