Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Chirpstack | Network Server | 3.9.0 |
Related Weaknesses (CWE)
References
- https://github.com/brocaar/chirpstack-network-server/commit/874fc1a9b01045ebe8a3PatchThird Party Advisory
- https://github.com/brocaar/chirpstack-network-server/commit/f996bb0c6c85281b5658PatchThird Party Advisory
- https://www.cyberark.com/resources/threat-research-blog/lorawan-mqtt-what-to-knoExploitThird Party Advisory
- https://github.com/brocaar/chirpstack-network-server/commit/874fc1a9b01045ebe8a3PatchThird Party Advisory
- https://github.com/brocaar/chirpstack-network-server/commit/f996bb0c6c85281b5658PatchThird Party Advisory
- https://www.cyberark.com/resources/threat-research-blog/lorawan-mqtt-what-to-knoExploitThird Party Advisory
FAQ
What is CVE-2020-28349?
CVE-2020-28349 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 CollectAndCallOnceColl...
How severe is CVE-2020-28349?
CVE-2020-28349 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-28349?
Check the references section above for vendor advisories and patch information. Affected products include: Chirpstack Network Server.