CVE-2023-22335 — Improper access control vulnerability in SS1 Ver

Improper access control 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 bypass access restriction and download an arbitrary file of the directory where the product runs. As a result of exploiting this vu

01What is this vulnerability?

Improper access control 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 bypass access restriction and download an arbitrary file of the directory where the product runs. As a result of exploiting this vulnerability with CVE-2023-22336 and CVE-2023-22344 vulnerabilities together, it may allow a remote attacker to execute…

02Affected products

Vendor	Product	Versions
DOS Co., Ltd.	SS1 and Rakuraku PC Cloud	SS1 Ver.13.0.0.40 and earlier, and Rakuraku PC Cloud Agent Ver.2.1.8 and earlier

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

08Timeline

• Published: 2023-03-05T00:00:00.000Z
• Last modified: 2025-03-06T16:10:23.955Z

09References

• www.dos-osaka.co.jp — https://www.dos-osaka.co.jp/news/2023/03/230301.html
• jvn.jp — https://jvn.jp/en/jp/JVN57224029/