How severe is CVE-2018-0624?

CVE-2018-0624 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-2018-0624 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-2018-0624?

CVE-2018-0624 primarily affects Yayoi-kk Aoiro Shinkoku. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-0624?

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-2018-0624 published?

CVE-2018-0624 was published on 2018-09-07 and last updated on 2026-06-17.

CVE-2018-0624

CVE-2018-0624 is a high-severity vulnerability in Yayoi-kk Aoiro Shinkoku 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-426.

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-426
Affected product: Yayoi-kk Aoiro Shinkoku
Published: 2018-09-07
Last modified: 2026-06-17

Description

Untrusted search path vulnerability in Multiple Yayoi 17 Series products (Yayoi Kaikei 17 Series Ver.23.1.1 and earlier, Yayoi Aoiro Shinkoku 17 Ver.23.1.1 and earlier, Yayoi Kyuuyo 17 Ver.20.1.4 and earlier, Yayoi Kyuuyo Keisan 17 Ver.20.1.4 and earlier, Yayoi Hanbai 17 Series Ver.20.0.2 and earlier, and Yayoi Kokyaku Kanri 17 Ver.11.0.2 and earlier) allows an attacker to gain privileges via a Trojan horse DLL in an unspecified directory. This flaw exists within the handling of ykkapi.dll loaded by the vulnerable products.

Frequently asked questions

What is CVE-2018-0624?: Untrusted search path vulnerability in Multiple Yayoi 17 Series products (Yayoi Kaikei 17 Series Ver.23.1.1 and earlier, Yayoi Aoiro Shinkoku 17 Ver.23.1.1 and earlier, Yayoi Kyuuyo 17 Ver.20.1.4 and earlier, Yayoi Kyuuyo Keisan 17 Ver.20.1.4 and earlier, Yayoi Hanbai 17 Series Ver.20.0.2 and earlier, and Yayoi Kokyaku Kanri 17 Ver.11.0.2 and earlier) allows an attacker to gain privileges via a Trojan horse DLL in an unspecified directory. This flaw exists within the handling of ykkapi.dll loaded by the vulnerable products.
How severe is CVE-2018-0624?: CVE-2018-0624 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-2018-0624 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-2018-0624?: CVE-2018-0624 primarily affects Yayoi-kk Aoiro Shinkoku. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-0624?: 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-2018-0624 published?: CVE-2018-0624 was published on 2018-09-07 and last updated on 2026-06-17.

References

http://jvn.jp/en/jp/JVN06813756/index.html

Affected products (6)

cpe:2.3:a:yayoi-kk:aoiro_shinkoku:*:*:*:*:*:*:*:*
cpe:2.3:a:yayoi-kk:hanbai:*:*:*:*:*:*:*:*
cpe:2.3:a:yayoi-kk:kaikei:*:*:*:*:*:*:*:*
cpe:2.3:a:yayoi-kk:kokyaku_kanri:*:*:*:*:*:*:*:*
cpe:2.3:a:yayoi-kk:kyuuyo:*:*:*:*:*:*:*:*
cpe:2.3:a:yayoi-kk:kyuuyo_keisan:*:*:*:*:*:*:*:*

More vulnerabilities in Yayoi-kk Aoiro Shinkoku

CVE-2018-0623 — High (CVSS 7.8): Untrusted search path vulnerability in Multiple Yayoi 17 Series products (Yayoi Kaikei 17 Series Ver.23.1.1 and…

All CVEs affecting Yayoi-kk Aoiro Shinkoku →

Other CWE-426 (Untrusted Search Path) vulnerabilities

CVE-2026-45772 — Critical (CVSS 9.8): Turborepo is a high-performance build system for JavaScript and TypeScript codebases. From 1.1.0 to before 2.9.14,…
CVE-2025-26155 — Critical (CVSS 9.8): NCP Secure Enterprise Client 13.18 and NCP Secure Entry Windows Client 13.19 have an Untrusted Search Path…
CVE-2024-53866 — Critical (CVSS 9.8): The package manager pnpm prior to version 9.15.0 seems to mishandle overrides and global cache: Overrides from one…
CVE-2024-38462 — Critical (CVSS 9.8): iRODS before 4.3.2 provides an msiSendMail function with a problematic dependency on the mail binary, such as in the…
CVE-2023-30330 — Critical (CVSS 9.8): SoftExpert (SE) Excellence Suite 2.x versions before 2.1.3 is vulnerable to Local File Inclusion in the function…
CVE-2022-24826 — Critical (CVSS 9.8): On Windows, if Git LFS operates on a malicious repository with a `..exe` file as well as a file named `git.exe`, and…

Browse all CWE-426 (Untrusted Search Path) vulnerabilities →