How severe is CVE-2020-27289?

CVE-2020-27289 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-2020-27289 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-27289?

CVE-2020-27289 affects Deltaww Cncsoft-b. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-27289?

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-2020-27289 published?

CVE-2020-27289 was published on 2021-01-11 and last updated on 2026-06-17.

CVE-2020-27289

CVE-2020-27289 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-476.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Deltaww Cncsoft-b
Published: 2021-01-11
Last modified: 2026-06-17

Description

Delta Electronics CNCSoft-B Versions 1.0.0.2 and prior has a null pointer dereference issue while processing project files, which may allow an attacker to execute arbitrary code.

Frequently asked questions

What is CVE-2020-27289?: Delta Electronics CNCSoft-B Versions 1.0.0.2 and prior has a null pointer dereference issue while processing project files, which may allow an attacker to execute arbitrary code.
How severe is CVE-2020-27289?: CVE-2020-27289 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-2020-27289 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-27289?: CVE-2020-27289 affects Deltaww Cncsoft-b. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-27289?: 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-2020-27289 published?: CVE-2020-27289 was published on 2021-01-11 and last updated on 2026-06-17.

References

Affected products (1)

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

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Other CWE-476 (NULL Pointer Dereference) vulnerabilities

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