CVE-2023-22335: Improper access control vulnerability in SS1 Ver.13.0.0.40 and earlier and Rakuraku PC Cloud Agent Ver.2.1.8 a

Q: How do I fix CVE-2023-22335?

rakuraku pc cloud agent: upgrade to newer than 2.1.8; ss1: upgrade to newer than 13.0.0.40. Exact commands for each OS are on this page.

Q: Is CVE-2023-22335 being exploited?

CVE-2023-22335 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-22335 affect?

CVE-2023-22335 affects rakuraku pc cloud agent, ss1. Severity is 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 earlier allows a remote attacker to bypass access restriction and download an arbitrary file of the directory where the product

Q: How urgent is CVE-2023-22335?

Priority 45/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.5REMOTEUPGRADEUPGRADE

CVE-2023-22335 is a high-severity flaw (CVSS 7.5) affecting rakuraku pc cloud agent, ss1. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 an arbitrary code with SYSTEM privileges by sending

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.7% (top 45%)
CISA exploited list	No
Weakness	CWE-284
Published	2023-03-06
Last modified	2026-06-17

Publisher (CNA): JPCERT/CC · Vendor: dos-osaka

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-03-06 00:15 UTCPublished CVE record published
2026-06-17 05:35 UTCUpdated Record last modified

dos-osaka rakuraku pc cloud agent UPGRADE

Affected: <= 2.1.8

Fixed in: newer than 2.1.8

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy rakuraku-pc-cloud-agent || rpm -q rakuraku-pc-cloud-agent || rakuraku-pc-cloud-agent --version

2. UPGRADE to newer than 2.1.8 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade rakuraku-pc-cloud-agent

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade rakuraku-pc-cloud-agent

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

dos-osaka ss1 UPGRADE

Affected: <= 13.0.0.40

Fixed in: newer than 13.0.0.40

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ss1 || rpm -q ss1 || ss1 --version

2. UPGRADE to newer than 13.0.0.40 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade ss1

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ss1

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-22335?

rakuraku pc cloud agent: upgrade to newer than 2.1.8; ss1: upgrade to newer than 13.0.0.40. Exact commands for each OS are on this page.

Is CVE-2023-22335 being exploited?

CVE-2023-22335 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-22335 affect?

CVE-2023-22335 affects rakuraku pc cloud agent, ss1. Severity is 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 earlier allows a remote attacker to bypass access restriction and download an arbitrary file of the directory where the product

How urgent is CVE-2023-22335?

Priority 45/100. High severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2023-22344 CRITICAL 9.8 UPGRADE UPGRADE Use of hard-coded credentials vulnerability in SS1 Ver.13.0.0.40 and earlier and Rakuraku PC Cloud Agent Ver.2
CVE-2023-22336 CRITICAL 9.8 UPGRADE UPGRADE Path traversal vulnerability in SS1 Ver.13.0.0.40 and earlier and Rakuraku PC Cloud Agent Ver.2.1.8 and earlie

References

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