VULNERABILITY INTELLIGENCE
CVE-2020-28349
CVSS score6.5 MEDIUM
EPSS probability2.20%
CISA KEVNot currently listed
Published2020-11-09
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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.
Weakness classification
- nvd@nist.gov: CWE-20
Primary references
- cve@mitre.org — Patch, Third Party Advisory
- cve@mitre.org — Patch, Third Party Advisory
- cve@mitre.org — Exploit, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory