CVE-2022-36344

CVE-2022-36344 is a critical-severity vulnerability in Justsystems Atok Medical 2 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-428.

Key facts

Description

An unquoted search path vulnerability exists in 'JustSystems JUST Online Update for J-License' bundled with multiple products for corporate users as in Ichitaro through Pro5 and others. Since the affected product starts another program with an unquoted file path, a malicious file may be executed with the privilege of the Windows service if it is placed in a certain path. Affected products are bundled with the following product series: Office and Office Integrated Software, ATOK, Hanako, JUST PDF, Shuriken, Homepage Builder, JUST School, JUST Smile Class, JUST Smile, JUST Frontier, JUST Jump, and Tri-De DetaProtect.

Frequently asked questions

What is CVE-2022-36344?
An unquoted search path vulnerability exists in 'JustSystems JUST Online Update for J-License' bundled with multiple products for corporate users as in Ichitaro through Pro5 and others. Since the affected product starts another program with an unquoted file path, a malicious file may be executed with the privilege of the Windows service if it is placed in a certain path. Affected products are bundled with the following product series: Office and Office Integrated Software, ATOK, Hanako, JUST PDF, Shuriken, Homepage Builder, JUST School, JUST Smile Class, JUST Smile, JUST Frontier, JUST Jump, and Tri-De DetaProtect.
How severe is CVE-2022-36344?
CVE-2022-36344 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-2022-36344 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-36344?
CVE-2022-36344 primarily affects Justsystems Atok Medical 2. In total, 61 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-36344?
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-2022-36344 published?
CVE-2022-36344 was published on 2022-08-16 and last updated on 2026-06-17.

References

Affected products (61)

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