How severe is CVE-2022-42496?

CVE-2022-42496 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-2022-42496 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-42496?

CVE-2022-42496 affects Kujirahand Nadesiko3. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-42496?

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-2022-42496 published?

CVE-2022-42496 was published on 2022-12-05 and last updated on 2026-06-17.

CVE-2022-42496

CVE-2022-42496 is a critical-severity vulnerability in Kujirahand Nadesiko3 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-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Kujirahand Nadesiko3
Published: 2022-12-05
Last modified: 2026-06-17

Description

OS command injection vulnerability in Nako3edit, editor component of nadesiko3 (PC Version) v3.3.74 and earlier allows a remote attacker to obtain appkey of the product and execute an arbitrary OS command on the product.

Frequently asked questions

What is CVE-2022-42496?: OS command injection vulnerability in Nako3edit, editor component of nadesiko3 (PC Version) v3.3.74 and earlier allows a remote attacker to obtain appkey of the product and execute an arbitrary OS command on the product.
How severe is CVE-2022-42496?: CVE-2022-42496 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-2022-42496 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-42496?: CVE-2022-42496 affects Kujirahand Nadesiko3. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-42496?: 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-2022-42496 published?: CVE-2022-42496 was published on 2022-12-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:kujirahand:nadesiko3:*:*:*:*:*:*:*:*

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