Vulnerability Monitor

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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.

Published

2020-10-27T21:15:14.087

Last Modified

2024-11-21T05:21:59.543

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 8.2 (HIGH)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

4.9

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	ti	z-stack	3.0.1	Yes
Hardware	ti	cc2538	-	No

References

https://github.com/zigbeeprotocol/Z-Fuzzer/tree/master/vulnerabilities Third Party Advisory ([email protected])
https://www.ti.com/tool/Z-STACK Product, Vendor Advisory ([email protected])
https://github.com/zigbeeprotocol/Z-Fuzzer/tree/master/vulnerabilities Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.ti.com/tool/Z-STACK Product, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)