Vulnerability in Ti Cc2538
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.
EPSS: 0.010 (58.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H.
Affected products
- Ti Cc2538
- Ti Z-stack — versions 3.0.1
- N/a — versions n/a
Public proof-of-concept exploits
References
- cve@mitre.org (Product, x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-27890?
- CVE-2020-27890 is a high-severity vulnerability in Ti Cc2538. CVSS score: 8.2/10. Published 2020-10-27.
- How severe is CVE-2020-27890?
- High severity. CVSS v3 base score is 8.2 out of 10.
- Is CVE-2020-27890 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.