CVE-2020-27890

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.

CVSS v3 8.2 HIGH
CVSS v2.0 6.4 MEDIUM

8.2^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 4.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact HIGH

Scope UNCHANGED

6.4^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 4.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/zigbeeprotocol/Z-Fuzzer/tree/master/vulnerabilities	Third Party Advisory
https://www.ti.com/tool/Z-STACK	Product Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:ti:z-stack:3.0.1:*:*:*:*:*:*:*

cpe:2.3:h:ti:cc2538:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2020-10-27 21:15

Updated : 2024-02-04 21:23

NVD link : CVE-2020-27890

Mitre link : CVE-2020-27890

CVE.ORG link : CVE-2020-27890

JSON object : View

Products Affected

ti

z-stack
cc2538

CWE

NVD-CWE-noinfo

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