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[email protected]CVE-2020-27890

HistoryOct 27, 2020 - 9:15 p.m.

CVE-2020-27890

2020-10-2721:15:14

[email protected]

web.nvd.nist.gov

texas instruments

cc2538

z-stack 3.0.1

zigbee protocol

vulnerability

cve-2020-27890

nvd

6.4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

8.2 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

HIGH

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

8.1 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

45.7%

JSON

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 configurations

NVD

Node

tiz-stackMatch3.0.1

AND

ticc2538Match-

CPENameOperatorVersion
ti:z-stackti z-stackeq3.0.1

CPE	Name	Operator	Version
ti:z-stack	ti z-stack	eq	3.0.1

References

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

www.ti.com/tool/Z-STACK

6.4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

8.2 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

HIGH

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

8.1 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

45.7%

JSON

Related for CVE-2020-27890

prion1 nvd1 cvelist1