CVE-2020-27890

HIGH
8.2
CVSS Score
Published: October 27, 2020 at 08:26 PM UTC
Updated: June 17, 2026 at 03:09 AM UTC
2 products affected across 1 vendorZ StackCc2538

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Severity
HIGH8.2
Exploit prediction
EPSS 1.0%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

ti-cc2538 (environment)
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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