CVE-2023-1261
Missing MAC layer security in Wi-SUN SDK
Missing MAC layer security in Silicon Labs Wi-SUN SDK v1.5.0 and earlier allows malicious node to route malicious messages through network.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Missing MAC layer security in Wi-SUN SDK
Missing MAC layer security in Silicon Labs Wi-SUN SDK v1.5.0 and earlier allows malicious node to route malicious messages through network.
- Record
CVE-2023-1261- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H - Weakness
- CWE-862
- Updated
- 2026-11-02
EUVDEUVD-2023-23529
Missing MAC layer security in Silicon Labs Wi-SUN SDK v1.5.0 and earlier allows malicious node to route malicious messages through network.
- Record
EUVD-2023-23529- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-8cf7-2x37-pgq8
Missing MAC layer security in Silicon Labs Wi-SUN SDK v1.5.0 and earlier allows malicious node to...
Missing MAC layer security in Silicon Labs Wi-SUN SDK v1.5.0 and earlier allows malicious node to route malicious messages through network.
- Record
GHSA-8cf7-2x37-pgq8- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-862
- Updated
- 2026-11-02
NVD
Missing MAC layer security in Silicon Labs Wi-SUN SDK v1.5.0 and earlier allows malicious node to route malicious messages through network.
- Record
CVE-2023-1261- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H - CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-862
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-1261 is a high vulnerability (CVSS 8.2) in Silabs.com Wi-sun Sdk, published March 21, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.44%, the 38th percentile. No source names a fixed version.