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MitreCVE-2020-27892

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

CVE-2020-27892

2020-10-2721:15:14

mitre

web.nvd.nist.gov

cve-2020-27892

zigbee protocol

texas instruments

cc2538

z-stack 3.0.1

nvd

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

7.5

Confidence

High

EPSS

0.001

Percentile

45.6%

JSON

The Zigbee protocol implementation on Texas Instruments CC2538 devices with Z-Stack 3.0.1 does not properly process a ZCL Discover Commands Received Response message or a ZCL Discover Commands Generated Response message. It crashes in zclParseInDiscCmdsRspCmd().

Affected configurations

Nvd

Node

tiz-stackMatch3.0.1

AND

ticc2538Match-

VendorProductVersionCPE
tiz-stack3.0.1cpe:2.3:a:ti:z-stack:3.0.1:*:*:*:*:*:*:*
ticc2538-cpe:2.3:h:ti:cc2538:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
ti	z-stack	3.0.1	cpe:2.3:a:ti:z-stack:3.0.1:::::::*
ti	cc2538	-	cpe:2.3:h:ti:cc2538:-:::::::*

References

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

www.ti.com/tool/Z-STACK

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

7.5

Confidence

High

EPSS

0.001

Percentile

45.6%

JSON

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