How severe is CVE-2023-22336?

CVE-2023-22336 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-2023-22336 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-22336?

CVE-2023-22336 primarily affects Dos-osaka Rakuraku Pc Cloud Agent. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-22336?

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-2023-22336 published?

CVE-2023-22336 was published on 2023-03-06 and last updated on 2026-06-17.

CVE-2023-22336

CVE-2023-22336 is a critical-severity vulnerability in Dos-osaka Rakuraku Pc Cloud Agent 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-22.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Dos-osaka Rakuraku Pc Cloud Agent
Published: 2023-03-06
Last modified: 2026-06-17

Description

Path traversal vulnerability in SS1 Ver.13.0.0.40 and earlier and Rakuraku PC Cloud Agent Ver.2.1.8 and earlier allows a remote attacker to upload a specially crafted file to an arbitrary directory. As a result of exploiting this vulnerability with CVE-2023-22335 and CVE-2023-22344 vulnerabilities together, it may allow a remote attacker to execute an arbitrary code with SYSTEM privileges by sending a specially crafted script to the affected device.

Frequently asked questions

What is CVE-2023-22336?: Path traversal vulnerability in SS1 Ver.13.0.0.40 and earlier and Rakuraku PC Cloud Agent Ver.2.1.8 and earlier allows a remote attacker to upload a specially crafted file to an arbitrary directory. As a result of exploiting this vulnerability with CVE-2023-22335 and CVE-2023-22344 vulnerabilities together, it may allow a remote attacker to execute an arbitrary code with SYSTEM privileges by sending a specially crafted script to the affected device.
How severe is CVE-2023-22336?: CVE-2023-22336 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-2023-22336 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-22336?: CVE-2023-22336 primarily affects Dos-osaka Rakuraku Pc Cloud Agent. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-22336?: 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-2023-22336 published?: CVE-2023-22336 was published on 2023-03-06 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:dos-osaka:rakuraku_pc_cloud_agent:*:*:*:*:*:*:*:*
cpe:2.3:a:dos-osaka:ss1:*:*:*:*:*:*:*:*

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CVE-2023-22344 — Critical (CVSS 9.8): Use of hard-coded credentials vulnerability in SS1 Ver.13.0.0.40 and earlier and Rakuraku PC Cloud Agent Ver.2.1.8 and…
CVE-2023-22335 — High (CVSS 7.5): Improper access control vulnerability in SS1 Ver.13.0.0.40 and earlier and Rakuraku PC Cloud Agent Ver.2.1.8 and…

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