How severe is CVE-2022-40224?

CVE-2022-40224 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 none, integrity none, and availability high.

Is CVE-2022-40224 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 65% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-40224?

CVE-2022-40224 primarily affects Moxa Sds-3008 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-40224?

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.

When was CVE-2022-40224 published?

CVE-2022-40224 was published on 2023-02-07 and last updated on 2026-06-17.

CVE-2022-40224

CVE-2022-40224 is a high-severity vulnerability in Moxa Sds-3008 Firmware with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 65% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-410.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 65% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-410
Affected product: Moxa Sds-3008 Firmware
Published: 2023-02-07
Last modified: 2026-06-17

Description

A denial of service vulnerability exists in the web server functionality of Moxa SDS-3008 Series Industrial Ethernet Switch 2.1. A specially-crafted HTTP message header can lead to denial of service. An attacker can send an HTTP request to trigger this vulnerability.

Frequently asked questions

What is CVE-2022-40224?: A denial of service vulnerability exists in the web server functionality of Moxa SDS-3008 Series Industrial Ethernet Switch 2.1. A specially-crafted HTTP message header can lead to denial of service. An attacker can send an HTTP request to trigger this vulnerability.
How severe is CVE-2022-40224?: CVE-2022-40224 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 none, integrity none, and availability high.
Is CVE-2022-40224 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 65% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-40224?: CVE-2022-40224 primarily affects Moxa Sds-3008 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-40224?: 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.
When was CVE-2022-40224 published?: CVE-2022-40224 was published on 2023-02-07 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:moxa:sds-3008_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:moxa:sds-3008-t_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Moxa Sds-3008 Firmware

CVE-2022-40693 — High (CVSS 7.5): A cleartext transmission vulnerability exists in the web application functionality of Moxa SDS-3008 Series Industrial…
CVE-2022-41313 — Medium (CVSS 5.4): A stored cross-site scripting vulnerability exists in the web application functionality of Moxa SDS-3008 Series…
CVE-2022-41312 — Medium (CVSS 5.4): A stored cross-site scripting vulnerability exists in the web application functionality of Moxa SDS-3008 Series…
CVE-2022-41311 — Medium (CVSS 5.4): A stored cross-site scripting vulnerability exists in the web application functionality of Moxa SDS-3008 Series…
CVE-2022-40691 — Medium (CVSS 5.3): An information disclosure vulnerability exists in the web application functionality of Moxa SDS-3008 Series Industrial…

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