How severe is CVE-2023-41963?

CVE-2023-41963 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-2023-41963 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-41963?

CVE-2023-41963 primarily affects Jtekt Gc-a22w-cw Firmware. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-41963?

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-2023-41963 published?

CVE-2023-41963 was published on 2023-12-12 and last updated on 2026-06-17.

CVE-2023-41963

CVE-2023-41963 is a high-severity vulnerability in Jtekt Gc-a22w-cw 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-400.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-400
Affected product: Jtekt Gc-a22w-cw Firmware
Published: 2023-12-12
Last modified: 2026-06-17

Description

Denial-of-service (DoS) vulnerability exists in FTP service of HMI GC-A2 series. If a remote unauthenticated attacker sends a specially crafted packets to specific ports, a denial-of-service (DoS) condition may occur.

Frequently asked questions

What is CVE-2023-41963?: Denial-of-service (DoS) vulnerability exists in FTP service of HMI GC-A2 series. If a remote unauthenticated attacker sends a specially crafted packets to specific ports, a denial-of-service (DoS) condition may occur.
How severe is CVE-2023-41963?: CVE-2023-41963 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-2023-41963 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-41963?: CVE-2023-41963 primarily affects Jtekt Gc-a22w-cw Firmware. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-41963?: 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-2023-41963 published?: CVE-2023-41963 was published on 2023-12-12 and last updated on 2026-06-17.

References

Affected products (10)

cpe:2.3:o:jtekt:gc-a22w-cw_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:jtekt:gc-a24w-c\(w\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:jtekt:gc-a26w-c\(w\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:jtekt:gc-a24_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:jtekt:gc-a24-m_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:jtekt:gc-a25_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:jtekt:gc-a26_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:jtekt:gc-a26-j2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:jtekt:gc-a27-c_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:jtekt:gc-a28-c_firmware:*:*:*:*:*:*:*:*

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