How severe is CVE-2023-4685?

CVE-2023-4685 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-4685 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-4685?

CVE-2023-4685 primarily affects Deltaww Cncsoft-b. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-4685?

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-2023-4685 published?

CVE-2023-4685 was published on 2023-09-07 and last updated on 2026-06-17.

CVE-2023-4685

CVE-2023-4685 is a high-severity vulnerability in Deltaww Cncsoft-b with a CVSS 3.x base score of 7.8. 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-121.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-121
Affected product: Deltaww Cncsoft-b
Published: 2023-09-07
Last modified: 2026-06-17

Description

Delta Electronics' CNCSoft-B version 1.0.0.4 and DOPSoft versions 4.0.0.82 and prior are vulnerable to stack-based buffer overflow, which could allow an attacker to execute arbitrary code.

Frequently asked questions

What is CVE-2023-4685?: Delta Electronics' CNCSoft-B version 1.0.0.4 and DOPSoft versions 4.0.0.82 and prior are vulnerable to stack-based buffer overflow, which could allow an attacker to execute arbitrary code.
How severe is CVE-2023-4685?: CVE-2023-4685 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-4685 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-4685?: CVE-2023-4685 primarily affects Deltaww Cncsoft-b. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-4685?: 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-2023-4685 published?: CVE-2023-4685 was published on 2023-09-07 and last updated on 2026-06-17.

References

https://www.cisa.gov/news-events/ics-advisories/icsa-23-157-01

Affected products (2)

cpe:2.3:a:deltaww:cncsoft-b:*:*:*:*:*:*:*:*
cpe:2.3:a:deltaww:dopsoft:*:*:*:*:*:*:*:*

More vulnerabilities in Deltaww Cncsoft-b

CVE-2024-1941 — High (CVSS 7.8): Delta Electronics CNCSoft-B versions 1.0.0.4 and prior are vulnerable to a stack-based buffer overflow, which may allow…
CVE-2024-1595 — High (CVSS 7.8): Delta Electronics CNCSoft-B DOPSoft prior to v4.0.0.82 insecurely loads libraries, which may allow an attacker to use…
CVE-2023-25177 — High (CVSS 7.8): Delta Electronics' CNCSoft-B DOPSoft versions 1.0.0.4 and prior are vulnerable to stack-based buffer overflow, which…
CVE-2023-24014 — High (CVSS 7.8): Delta Electronics' CNCSoft-B DOPSoft versions 1.0.0.4 and prior are vulnerable to heap-based buffer overflow, which…
CVE-2020-27293 — High (CVSS 7.8): Delta Electronics CNCSoft-B Versions 1.0.0.2 and prior has a type confusion issue while processing project files, which…
CVE-2020-27291 — High (CVSS 7.8): Delta Electronics CNCSoft-B Versions 1.0.0.2 and prior is vulnerable to an out-of-bounds read while processing project…

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