The Zigbee protocol implementation on Texas Instruments CC2538 devices with Z-Stack 3.0.1…
Priority LOW 38Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.00965 61st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ti:z-stack:3.0.1:*:*:*:*:*:*:* | 3.0.1 | Vulnerable | Texas Instruments |
| cpe:2.3:h:ti:cc2538:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Texas Instruments |
- cpe:2.3:a:ti:z-stack:3.0.1:*:*:*:*:*:*:* Versions 3.0.1 Vulnerable ·Texas Instruments
- cpe:2.3:h:ti:cc2538:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Texas Instruments
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-27890
- 2026-10-03 Alias added: GHSA-v82x-vfgp-hw2x
References
More Texas Instruments Z-stack vulnerabilities
- TI-2020-16949 The Zigbee protocol implementation on Texas Instruments CC2538 devices with Z-Stack 3.0.1… CVSS 3.1HIGH 7.5
- TI-2020-16948 The Zigbee protocol implementation on Texas Instruments CC2538 devices with Z-Stack 3.0.1… CVSS 3.1HIGH 7.5
- TI-2020-12845 TI’s BLE stack caches and reuses the LTK’s property for a bonded mobile. CVSS 3.1MEDIUM 6.8
Sources
- CVE-2020-27890 · CVE Program
- CVE-2020-27890 · NVD
- FIRST EPSS
- GHSA-v82x-vfgp-hw2x · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences