Vulnerability Details : 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.
Products affected by CVE-2020-27890
- cpe:2.3:a:ti:z-stack:3.0.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-27890
0.47%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 62 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-27890
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.4
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:P/A:P |
10.0
|
4.9
|
NIST | |
|
8.2
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H |
3.9
|
4.2
|
NIST |
References for CVE-2020-27890
-
https://github.com/zigbeeprotocol/Z-Fuzzer/tree/master/vulnerabilities
Z-Fuzzer/vulnerabilities at master · zigbeeprotocol/Z-Fuzzer · GitHubThird Party Advisory
-
https://www.ti.com/tool/Z-STACK
Product;Vendor Advisory
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