Description
The Kerlink firewall in ChirpStack chirpstack-mqtt-forwarder before 4.2.1 and chirpstack-gateway-bridge before 4.0.11 wrongly accepts certain TCP packets when a connection is not in the ESTABLISHED state.
Metrics
CVSS 3.1 7.5/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NAffected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
| chirpstack | gateway-bridge | < 4.0.11 |
| chirpstack | mqtt-forwarder | < 4.2.1 |
References
- https://github.com/chirpstack/chirpstack-gateway-bridge/commit/0c1e80c9fa9f5d093ff62903caedad86ec4640b6Patch
- https://github.com/chirpstack/chirpstack-mqtt-forwarder/commit/4fa9e6eaaec8c3ca49ebfbf6317572671f17700fPatch
- https://github.com/chirpstack/chirpstack-gateway-bridge/commit/0c1e80c9fa9f5d093ff62903caedad86ec4640b6Patch
- https://github.com/chirpstack/chirpstack-mqtt-forwarder/commit/4fa9e6eaaec8c3ca49ebfbf6317572671f17700fPatch
Timeline
- Published
- Mar 21, 2024
- Last modified
- Jun 17, 2026
- NVD status
- Analyzed