CVEvulnerability
CVE-2020-28349
6.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2020-11-09
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 6.8 MEDIUM — AV:N/AC:L/Au:S/C:N/I:N/A:C
- Weaknesses
- CWE-20
Description
An inaccurate frame deduplication process in ChirpStack Network Server 3.9.0 allows a malicious gateway to perform uplink Denial of Service via malformed frequency attributes in CollectAndCallOnceCollect in internal/uplink/collect.go. NOTE: the vendor's position is that there are no "guarantees that allowing untrusted LoRa gateways to the network should still result in a secure network.
Affected configurations
• chirpstack network server 3.9.0
Related
Weakness · CWE (1)
- CWE-20 Improper Input Validation weakness
References
- https://github.com/brocaar/chirpstack-network-server/commit/874fc1a9b01045ebe8a340f0bb01ed19e8256e60 Patch, Third Party Advisory
- https://github.com/brocaar/chirpstack-network-server/commit/f996bb0c6c85281b5658f59ff09db1b4a73db453 Patch, Third Party Advisory
- https://www.cyberark.com/resources/threat-research-blog/lorawan-mqtt-what-to-know-when-securing-your-iot-network Exploit, Third Party Advisory
- https://github.com/brocaar/chirpstack-network-server/commit/874fc1a9b01045ebe8a340f0bb01ed19e8256e60 Patch, Third Party Advisory
- https://github.com/brocaar/chirpstack-network-server/commit/f996bb0c6c85281b5658f59ff09db1b4a73db453 Patch, Third Party Advisory
- https://www.cyberark.com/resources/threat-research-blog/lorawan-mqtt-what-to-know-when-securing-your-iot-network Exploit, Third Party Advisory