No exploitation reportedFix available

CVE-2022-42496

Q: Is CVE-2022-42496 actively exploited?

Active exploitation of CVE-2022-42496 has not been confirmed. Its EPSS score was 2.1% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2022-42496?

CVE-2022-42496 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2022-12-05
WeaknessCWE-78

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC

2022-12-0504:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-42496?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-42496?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV

Kujirahand nadesiko3

Branch	Affected	Fixed in	Source
3.3	≤ 3.3.74	no fix published	NVD

nadesiko3

Branch	Affected	Fixed in	Source
3.3	< 3.3.75	3.3.75	OSV

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

github.comPatch

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionnone2025-04-24
OpenCVESSVC decisionnone—
CISA-ADPCVSS 3.19.82025-04-24
NVDCVSS 3.19.8read 2026-10-23
CISA-ADPweakness (CWE)CWE-782025-04-24
NVDweakness (CWE)CWE-78read 2026-10-23
FIRST EPSSEPSS score2.1 %2026-10-23
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2022-12-05
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2022-42496?

Is CVE-2022-42496 actively exploited?

Active exploitation of CVE-2022-42496 has not been confirmed. Its EPSS score was 2.1% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-42496?

CVE-2022-42496 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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