How severe is CVE-2017-2154?

CVE-2017-2154 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-2154 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-2154?

CVE-2017-2154 primarily affects Justsystems Hanako. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-2154?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-2154 published?

CVE-2017-2154 was published on 2017-04-28 and last updated on 2026-06-17.

CVE-2017-2154

CVE-2017-2154 is a high-severity vulnerability in Justsystems Hanako with a CVSS 3.x base score of 7.8. 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Justsystems Hanako
Published: 2017-04-28
Last modified: 2026-06-17

Description

Untrusted search path vulnerability in Hanako 2017, Hanako 2016, Hanako 2015, Hanako Pro 3, JUST Office 3 [Standard], JUST Office 3 [Eco Print Package], JUST Office 3 & Tri-De DataProtect Package, JUST Government 3, JUST Jump Class 2, JUST Frontier 3, JUST School 6 Premium, Hanako Police 5, JUST Police 3, Hanako 2017 trial version allows remote attackers to gain privileges via a Trojan horse DLL in an unspecified directory.

Frequently asked questions

What is CVE-2017-2154?: Untrusted search path vulnerability in Hanako 2017, Hanako 2016, Hanako 2015, Hanako Pro 3, JUST Office 3 [Standard], JUST Office 3 [Eco Print Package], JUST Office 3 & Tri-De DataProtect Package, JUST Government 3, JUST Jump Class 2, JUST Frontier 3, JUST School 6 Premium, Hanako Police 5, JUST Police 3, Hanako 2017 trial version allows remote attackers to gain privileges via a Trojan horse DLL in an unspecified directory.
How severe is CVE-2017-2154?: CVE-2017-2154 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-2154 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-2154?: CVE-2017-2154 primarily affects Justsystems Hanako. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-2154?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-2154 published?: CVE-2017-2154 was published on 2017-04-28 and last updated on 2026-06-17.

References

Affected products (15)

cpe:2.3:a:justsystems:hanako:2015:*:*:*:*:*:*:*
cpe:2.3:a:justsystems:hanako:2016:*:*:*:*:*:*:*
cpe:2.3:a:justsystems:hanako:2017:*:*:*:*:*:*:*
cpe:2.3:a:justsystems:hanako:2017:*:*:*:trial_version:*:*:*
cpe:2.3:a:justsystems:hanako_police:5:*:*:*:*:*:*:*
cpe:2.3:a:justsystems:hanako_pro:3:*:*:*:*:*:*:*
cpe:2.3:a:justsystems:just_frontier:3:*:*:*:*:*:*:*
cpe:2.3:a:justsystems:just_government:3:*:*:*:*:*:*:*
cpe:2.3:a:justsystems:just_jump_class:2:*:*:*:*:*:*:*
cpe:2.3:a:justsystems:just_office:3:*:*:*:eco_print_pack:*:*:*
cpe:2.3:a:justsystems:just_office:3:*:*:*:standard:*:*:*
cpe:2.3:a:justsystems:just_office:3:*:*:*:tri-de_dataprotect_pack:*:*:*
cpe:2.3:a:justsystems:just_police:3:*:*:*:*:*:*:*
cpe:2.3:a:justsystems:just_school:6:*:*:*:*:*:*:*
cpe:2.3:a:justsystems:just_school:6:*:*:*:premium:*:*:*

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