How severe is CVE-2023-28697?

CVE-2023-28697 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-28697 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-28697?

CVE-2023-28697 affects Moxa Miineport E1 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-28697?

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

When was CVE-2023-28697 published?

CVE-2023-28697 was published on 2023-04-27 and last updated on 2026-06-17.

CVE-2023-28697

CVE-2023-28697 is a critical-severity vulnerability in Moxa Miineport E1 Firmware with a CVSS 3.x base score of 9.8. 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-306.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Moxa Miineport E1 Firmware
Published: 2023-04-27
Last modified: 2026-06-17

Description

Moxa MiiNePort E1 has a vulnerability of insufficient access control. An unauthenticated remote user can exploit this vulnerability to perform arbitrary system operation or disrupt service.

Frequently asked questions

What is CVE-2023-28697?: Moxa MiiNePort E1 has a vulnerability of insufficient access control. An unauthenticated remote user can exploit this vulnerability to perform arbitrary system operation or disrupt service.
How severe is CVE-2023-28697?: CVE-2023-28697 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-28697 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-28697?: CVE-2023-28697 affects Moxa Miineport E1 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-28697?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-28697 published?: CVE-2023-28697 was published on 2023-04-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:moxa:miineport_e1_firmware:1.7.2:*:*:*:*:*:*:*

More vulnerabilities in Moxa Miineport E1 Firmware

CVE-2016-9344 — High (CVSS 7.5): An issue was discovered in Moxa MiiNePort E1 versions prior to 1.8, E2 versions prior to 1.4, and E3 versions prior to…
CVE-2016-9346 — Medium (CVSS 5.3): An issue was discovered in Moxa MiiNePort E1 versions prior to 1.8, E2 versions prior to 1.4, and E3 versions prior to…

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