CVE-2024-29862

7.5 highEPSS 0.7%

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.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 51% of CVEs (scores of 2026-10-31)
Published: 2024-03-21
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

chirpstack:gateway_bridge
chirpstack:mqtt_forwarder

References

https://github.com/chirpstack/chirpstack-gateway-bridge/commit/0c1e80c9fa9f5d093ff62903caedad86ec4640b6
https://github.com/chirpstack/chirpstack-mqtt-forwarder/commit/4fa9e6eaaec8c3ca49ebfbf6317572671f17700f
https://github.com/chirpstack/chirpstack-gateway-bridge/commit/0c1e80c9fa9f5d093ff62903caedad86ec4640b6
https://github.com/chirpstack/chirpstack-mqtt-forwarder/commit/4fa9e6eaaec8c3ca49ebfbf6317572671f17700f

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