CVE-2020-27890 describes a vulnerability in the Zigbee protocol implementation on Texas Instruments CC2538 devices running Z-Stack 3.0.1. Specifically, the device crashes and fails to update attribute values when processing a malformed ZCL Write Attributes No Response message. This vulnerability carries a CVSS score of 8.2 (High), indicating a network-exploitable flaw with low attack complexity, no user interaction required, and potential for high impact on availability and low impact on integrity. Currently, there is no public exploit code available, it is not listed in CISA's KEV catalog, and there is no community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
3.0.1CPE matchmatch criteria | cpe:2.3:a:ti:z-stack:3.0.1:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.