PT-2024-23088 · Chirpstack+1 · Chirpstack Chirpstack-Mqtt-Forwarder+2

Published 2024-03-21 · Updated 2025-06-17 · CVE-2024-29862

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions ChirpStack chirpstack-mqtt-forwarder versions 4.2.0 and earlier ChirpStack chirpstack-gateway-bridge versions 4.0.10 and earlier

Description The Kerlink firewall in ChirpStack wrongly accepts certain TCP packets when a connection is not in the ESTABLISHED state. This issue affects the chirpstack-mqtt-forwarder and chirpstack-gateway-bridge components.

Recommendations For ChirpStack chirpstack-mqtt-forwarder versions 4.2.0 and earlier, update to version 4.2.1 or later. For ChirpStack chirpstack-gateway-bridge versions 4.0.10 and earlier, update to version 4.0.11 or later.

Fix

Related Identifiers

CVE-2024-29862

Affected Products

Chirpstack Chirpstack-Gateway-Bridge

Chirpstack Chirpstack-Mqtt-Forwarder

Kerlink Firewall

References · 7

• https://github.com/chirpstack/chirpstack-gateway-bridge/commit/0c1e80c9fa9f5d093ff62903caedad86ec4640b6 · Patch
• https://github.com/chirpstack/chirpstack-mqtt-forwarder/commit/4fa9e6eaaec8c3ca49ebfbf6317572671f17700f · Patch
• https://osv.dev/vulnerability/CVE-2024-29862 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-29862 · Security Note
• https://t.me/cvenotify/100715 · Telegram Post
• https://t.me/cvenotify/125923 · Telegram Post
• https://twitter.com/RedPacketSec/status/1771116646997852500 · Twitter Post