How severe is CVE-2022-40693?

CVE-2022-40693 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-2022-40693 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-2022-40693?

CVE-2022-40693 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-2022-40693?

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-2022-40693 published?

CVE-2022-40693 was published on 2023-02-07 and last updated on 2026-06-17.

CVE-2022-40693

CVE-2022-40693 is a high-severity vulnerability in Moxa Sds-3008 Firmware 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. The underlying weakness is classified as CWE-319.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-319
Affected product: Moxa Sds-3008 Firmware
Published: 2023-02-07
Last modified: 2026-06-17

Description

A cleartext transmission vulnerability exists in the web application functionality of Moxa SDS-3008 Series Industrial Ethernet Switch 2.1. A specially-crafted network sniffing can lead to a disclosure of sensitive information. An attacker can sniff network traffic to trigger this vulnerability.

Frequently asked questions

What is CVE-2022-40693?: A cleartext transmission vulnerability exists in the web application functionality of Moxa SDS-3008 Series Industrial Ethernet Switch 2.1. A specially-crafted network sniffing can lead to a disclosure of sensitive information. An attacker can sniff network traffic to trigger this vulnerability.
How severe is CVE-2022-40693?: CVE-2022-40693 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-2022-40693 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-2022-40693?: CVE-2022-40693 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-2022-40693?: 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-2022-40693 published?: CVE-2022-40693 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-2022-40224 — High (CVSS 7.5): A denial of service vulnerability exists in the web server functionality of Moxa SDS-3008 Series Industrial Ethernet…
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…

All CVEs affecting Moxa Sds-3008 Firmware →

Other CWE-319 (Cleartext Transmission of Sensitive Information) vulnerabilities

CVE-2025-4378 — Critical (CVSS 10.0): Cleartext Transmission of Sensitive Information, Use of Hard-coded Credentials vulnerability in Ataturk University…
CVE-2025-47419 — Critical (CVSS 10.0): Cleartext Transmission of Sensitive Information vulnerability in Crestron Automate VX allows Sniffing Network…
CVE-2026-48902 — Critical (CVSS 9.8): The password and username reset features created plain http links for https connections if the "Force SSL" flag wasn't…
CVE-2025-34271 — Critical (CVSS 9.8): Nagios Log Server versions prior to 2024R2.0.2 contain a vulnerability in the cluster manager component when…
CVE-2025-32880 — Critical (CVSS 9.8): An issue was discovered on COROS PACE 3 devices through 3.0808.0. It implements a function to connect the watch to a…
CVE-2025-26199 — Critical (CVSS 9.8): CloudClassroom-PHP-Project v1.0 is affected by an insecure credential transmission vulnerability. The application…

Browse all CWE-319 (Cleartext Transmission of Sensitive Information) vulnerabilities →