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CVE-2022-42496

31
FAUCET Score

CVE-2022-42496 is a critical OS command injection vulnerability affecting Nako3edit, the editor component of nadesiko3 (PC Version) v3.3.74 and earlier. This flaw allows an unauthenticated remote attacker to execute arbitrary OS commands and obtain the product's appkey. With a CVSS score of 9.8, it presents a severe risk due to its network-based attack vector, low attack complexity, and complete compromise of confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, nor is public exploit code or significant community discussion available.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.3.74CPE matchmatch criteria
cpe:2.3:a:kujirahand:nadesiko3:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.07%
Probability of exploitation in next 30 days
EPSS Percentile
79.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0207 is in the 68th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: nadesiko3Fixed in: 3.3.75

Vendor Advisories (1)

npmGHSA-7249-8x22-4rg4critical

nadesiko3 vulnerable to OS Command Injection

Dec 5, 2022

References

github.com / kujirahand/nadesiko3/issues/1325
Issue TrackingPatchThird Party Advisory
github.com / kujirahand/nadesiko3/issues/1347
Issue TrackingThird Party Advisory
jvn.jp / en/jp/JVN56968681/index.html
Third Party Advisory