CVE-2020-27890

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.

8.2

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.47%

Vendor Advisory ti.com

Affected: n/a n/a

References

Link	Tags
https://www.ti.com/tool/Z-STACK	product vendor advisory
https://github.com/zigbeeprotocol/Z-Fuzzer/tree/master/vulnerabilities	third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-27890?: CVE-2020-27890 has been scored as a high severity vulnerability.
How to fix CVE-2020-27890?: To fix CVE-2020-27890, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-27890 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2020-27890 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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