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.
Conclusion & alert: CVE-2023-22336 is rated High Risk (66/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.11%). Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-03-07 | 1.56% | 1.11% | -0.45% |
| 2 | 2025-12-30 | 1.51% | 1.56% | +0.05% |
| 3 | 2025-11-21 | — | 1.51% | — |
Full EPSS history (14 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| dos-osaka | rakuraku_pc_cloud_agent | <= 2.1.8 | cpe:2.3:a:dos-osaka:rakuraku_pc_cloud_agent:*:*:*:*:*:*:*:* |
| dos-osaka | ss1 | <= 13.0.0.40 | cpe:2.3:a:dos-osaka:ss1:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://jvn.jp/en/jp/JVN57224029/ | Third Party Advisory |
| https://www.dos-osaka.co.jp/news/2023/03/230301.html | Vendor Advisory |