CVE & CISA-KEV Catalog

CVE-2024-43389

HIGH
8.1
CVSS v3
NVD

Description

A low privileged remote attacker can perform configuration changes of the ospf service through OSPF_INTERFACE.SIMPLE_KEY, OSPF_INTERFACE.DIGEST_KEY environment variables which can lead to a DoS.

How to fix

Remediation Available
fl mguard 2102 firmwareNVD
Affected:< 10.4.1Fixed in:10.4.1CVE-2024-43389derived from NVD
fl mguard 2105 firmwareNVD
Affected:< 10.4.1Fixed in:10.4.1CVE-2024-43389derived from NVD
fl mguard 4102 pci firmwareNVD
Affected:< 10.4.1Fixed in:10.4.1CVE-2024-43389derived from NVD
fl mguard 4102 pcie firmwareNVD
Affected:< 10.4.1Fixed in:10.4.1CVE-2024-43389derived from NVD
fl mguard 4302 firmwareNVD
Affected:< 10.4.1Fixed in:10.4.1CVE-2024-43389derived from NVD
fl mguard 4305 firmwareNVD
Affected:< 10.4.1Fixed in:10.4.1CVE-2024-43389derived from NVD
fl mguard centerport vpn-1000 firmwareNVD
Affected:< 8.9.3Fixed in:8.9.3CVE-2024-43389derived from NVD
fl mguard core tx firmwareNVD
Affected:< 8.9.3Fixed in:8.9.3CVE-2024-43389derived from NVD
fl mguard core tx vpn firmwareNVD
Affected:< 8.9.3Fixed in:8.9.3CVE-2024-43389derived from NVD
fl mguard delta tx\/tx firmwareNVD
Affected:< 8.9.3Fixed in:8.9.3CVE-2024-43389derived from NVD
fl mguard delta tx\/tx vpn firmwareNVD
Affected:< 8.9.3Fixed in:8.9.3CVE-2024-43389derived from NVD
fl mguard gt\/gt firmwareNVD
Affected:< 8.9.3Fixed in:8.9.3CVE-2024-43389derived from NVD
fl mguard gt\/gt vpn firmwareNVD
Affected:< 8.9.3Fixed in:8.9.3CVE-2024-43389derived from NVD
fl mguard pci4000 firmwareNVD
Affected:< 8.9.3Fixed in:8.9.3CVE-2024-43389derived from NVD
fl mguard pci4000 vpn firmwareNVD
Affected:< 8.9.3Fixed in:8.9.3CVE-2024-43389derived from NVD
fl mguard pcie4000 firmwareNVD
Affected:< 8.9.3Fixed in:8.9.3CVE-2024-43389derived from NVD
fl mguard pcie4000 vpn firmwareNVD
Affected:< 8.9.3Fixed in:8.9.3CVE-2024-43389derived from NVD
fl mguard rs2000 tx\/tx-b firmwareNVD
Affected:< 8.9.3Fixed in:8.9.3CVE-2024-43389derived from NVD
fl mguard rs2000 tx\/tx vpn firmwareNVD
Affected:< 8.9.3Fixed in:8.9.3CVE-2024-43389derived from NVD
fl mguard rs2005 tx vpn firmwareNVD
Affected:< 8.9.3Fixed in:8.9.3CVE-2024-43389derived from NVD
fl mguard rs4000 tx\/tx-m firmwareNVD
Affected:< 8.9.3Fixed in:8.9.3CVE-2024-43389derived from NVD
fl mguard rs4000 tx\/tx-p firmwareNVD
Affected:< 8.9.3Fixed in:8.9.3CVE-2024-43389derived from NVD
fl mguard rs4000 tx\/tx firmwareNVD
Affected:< 8.9.3Fixed in:8.9.3CVE-2024-43389derived from NVD
fl mguard rs4000 tx\/tx vpn firmwareNVD
Affected:< 8.9.3Fixed in:8.9.3CVE-2024-43389derived from NVD
fl mguard rs4004 tx\/dtx firmwareNVD
Affected:< 8.9.3Fixed in:8.9.3CVE-2024-43389derived from NVD
fl mguard rs4004 tx\/dtx vpn firmwareNVD
Affected:< 8.9.3Fixed in:8.9.3CVE-2024-43389derived from NVD
fl mguard smart2 firmwareNVD
Affected:< 8.9.3Fixed in:8.9.3CVE-2024-43389derived from NVD
fl mguard smart2 vpn firmwareNVD
Affected:< 8.9.3Fixed in:8.9.3CVE-2024-43389derived from NVD
tc mguard rs2000 3g vpn firmwareNVD
Affected:< 8.9.3Fixed in:8.9.3CVE-2024-43389derived from NVD
tc mguard rs2000 4g att vpn firmwareNVD
Affected:< 8.9.3Fixed in:8.9.3CVE-2024-43389derived from NVD
tc mguard rs2000 4g vpn firmwareNVD
Affected:< 8.9.3Fixed in:8.9.3CVE-2024-43389derived from NVD
tc mguard rs2000 4g vzw vpn firmwareNVD
Affected:< 8.9.3Fixed in:8.9.3CVE-2024-43389derived from NVD
tc mguard rs4000 3g vpn firmwareNVD
Affected:< 8.9.3Fixed in:8.9.3CVE-2024-43389derived from NVD
tc mguard rs4000 4g att vpn firmwareNVD
Affected:< 8.9.3Fixed in:8.9.3CVE-2024-43389derived from NVD
tc mguard rs4000 4g vpn firmwareNVD
Affected:< 8.9.3Fixed in:8.9.3CVE-2024-43389derived from NVD
tc mguard rs4000 4g vzw vpn firmwareNVD
Affected:< 8.9.3Fixed in:8.9.3CVE-2024-43389derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

0.52%probability of exploitation in 30 days
40thpercentile

Moderate risk: more likely to be exploited than 40% of all known CVEs.

References

Third-Party Advisory1

Related Vulnerabilities

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CVE-2017-9841Critical9.8100%KEVFix
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CVE-2021-22204Medium6.8100%KEVFix
CVE-2025-3248Critical9.8100%KEVFix
CVE-2012-0158High8.8100%KEV-
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-08-22.