How severe is CVE-2017-6023?

CVE-2017-6023 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-2017-6023 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-6023?

CVE-2017-6023 primarily affects Fatek Ethernet Module Configuration Tool Cbe Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-6023?

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-2017-6023 published?

CVE-2017-6023 was published on 2017-03-16 and last updated on 2026-06-17.

CVE-2017-6023

CVE-2017-6023 is a critical-severity vulnerability in Fatek Ethernet Module Configuration Tool Cbe 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-119.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 9.0
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Fatek Ethernet Module Configuration Tool Cbe Firmware
Published: 2017-03-16
Last modified: 2026-06-17

Description

An issue was discovered in Fatek Automation PLC Ethernet Module. The affected Ether_cfg software configuration tool runs on the following Fatek PLCs: CBEH versions prior to V3.6 Build 170215, CBE versions prior to V3.6 Build 170215, CM55E versions prior to V3.6 Build 170215, and CM25E versions prior to V3.6 Build 170215. A stack-based buffer overflow vulnerability has been identified, which may allow remote code execution or crash the affected device.

Frequently asked questions

What is CVE-2017-6023?: An issue was discovered in Fatek Automation PLC Ethernet Module. The affected Ether_cfg software configuration tool runs on the following Fatek PLCs: CBEH versions prior to V3.6 Build 170215, CBE versions prior to V3.6 Build 170215, CM55E versions prior to V3.6 Build 170215, and CM25E versions prior to V3.6 Build 170215. A stack-based buffer overflow vulnerability has been identified, which may allow remote code execution or crash the affected device.
How severe is CVE-2017-6023?: CVE-2017-6023 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-2017-6023 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-6023?: CVE-2017-6023 primarily affects Fatek Ethernet Module Configuration Tool Cbe Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-6023?: 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-2017-6023 published?: CVE-2017-6023 was published on 2017-03-16 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:o:fatek:ethernet_module_configuration_tool_cbe_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fatek:ethernet_module_configuration_tool_cbeh_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fatek:ethernet_module_configuration_tool_cm25e_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fatek:ethernet_module_configuration_tool_cm55e_firmware:*:*:*:*:*:*:*:*

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