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.
References (2)
Core 2
Scores
CVSS v3
7.5
EPSS
0.0013
EPSS Percentile
32.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
Status
published
Products (2)
chirpstack/gateway_bridge
< 4.0.11
chirpstack/mqtt_forwarder
< 4.2.1
Published
Mar 21, 2024
Tracked Since
Feb 18, 2026