CVE-2017-2209: Untrusted search path vulnerability in the installer of Houkokusyo Sakusei Shien Tool ver3.0.2 (For the first

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HIGH 7.8DOWNGRADE

CVE-2017-2209 is a high-severity flaw (CVSS 7.8) affecting installer of houkokusyo sakusei shien tool. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Untrusted search path vulnerability in the installer of Houkokusyo Sakusei Shien Tool ver3.0.2 (For the first installation) (The version which was available on the website from 2017 April 4 to 2017 May 18) and ver2.0 and later (For the first installation) (The versions which were available on the website prior to 2017 April 4) allows an attacker to gain privileges via a Trojan horse DLL in an unspecified directory.

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.1% (top 35%)
CISA exploited list	No
Weakness	CWE-426
Published	2017-06-09
Last modified	2026-06-17

Publisher (CNA): JPCERT/CC · Vendor: santeikohyo

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

Am I affected?

Timeline

2017-06-09 16:29 UTCPublished CVE record published
2026-06-17 01:15 UTCUpdated Record last modified

santeikohyo installer of houkokusyo sakusei shien tool DOWNGRADE

Affected: 2.0 · 3.02 · 3.03

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0

1. Check installed version

apt-cache policy installer-of-houkokusyo-sakusei-shien-tool || rpm -q installer-of-houkokusyo-sakusei-shien-tool || installer-of-houkokusyo-sakusei-shien-tool --version

2. No fixed release: DOWNGRADE to a release before 2.0 (Debian / Ubuntu)

apt-cache madison installer-of-houkokusyo-sakusei-shien-tool sudo apt install installer-of-houkokusyo-sakusei-shien-tool=<VERSION_BEFORE_2.0> sudo apt-mark hold installer-of-houkokusyo-sakusei-shien-tool

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list installer-of-houkokusyo-sakusei-shien-tool sudo dnf downgrade installer-of-houkokusyo-sakusei-shien-tool-<VERSION_BEFORE_2.0> sudo dnf versionlock add installer-of-houkokusyo-sakusei-shien-tool

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2017-2209?

installer of houkokusyo sakusei shien tool: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2017-2209 being exploited?

CVE-2017-2209 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-2017-2209 affect?

CVE-2017-2209 affects installer of houkokusyo sakusei shien tool. Severity is high (CVSS 7.8). Untrusted search path vulnerability in the installer of Houkokusyo Sakusei Shien Tool ver3.0.2 (For the first installation) (The version which was available on the website from 2017 April 4 to 2017 May 18) and ver2.0 and later (For the firs

How urgent is CVE-2017-2209?

Priority 44/100. High severity

References

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