How severe is CVE-2024-29862?

CVE-2024-29862 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2024-29862 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-29862?

CVE-2024-29862 primarily affects Chirpstack Gateway Bridge. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-29862?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-29862 have an EU (EUVD) identifier?

Yes. CVE-2024-29862 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-26853.

When was CVE-2024-29862 published?

CVE-2024-29862 was published on 2024-03-21 and last updated on 2026-06-17.

CVE-2024-29862

CVE-2024-29862 is a high-severity vulnerability in Chirpstack Gateway Bridge with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-26853
Affected product: Chirpstack Gateway Bridge
Published: 2024-03-21
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2024-29862?: 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.
How severe is CVE-2024-29862?: CVE-2024-29862 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2024-29862 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-29862?: CVE-2024-29862 primarily affects Chirpstack Gateway Bridge. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-29862?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-29862 have an EU (EUVD) identifier?: Yes. CVE-2024-29862 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-26853.
When was CVE-2024-29862 published?: CVE-2024-29862 was published on 2024-03-21 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:chirpstack:gateway_bridge:*:*:*:*:*:*:*:*
cpe:2.3:a:chirpstack:mqtt_forwarder:*:*:*:*:*:*:*:*