Public proof of concept

CVE-2018-0624

A public proof of concept exists; no exploitation attested.

Published2018-09-07
WeaknessCWE-426

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC

2018-09-0714:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2018-0624?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-0624?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Yayoi-kk aoiro shinkoku

Branch	Affected	Fixed in	Source
23.1	≤ 23.1.1	no fix published	NVD

Yayoi-kk hanbai

Branch	Affected	Fixed in	Source
20.0	≤ 20.0.2	no fix published	NVD

Yayoi-kk kaikei

Branch	Affected	Fixed in	Source
23.1	≤ 23.1.1	no fix published	NVD

3 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

read 2026-10-23 19:23 UTC

Nuclei template: none so far
Exploit-DB: EDB-44906
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.07.8read 2026-10-23
NVDCVSS 2.06.8read 2026-10-23
NVDweakness (CWE)CWE-426read 2026-10-23
FIRST EPSSEPSS score1.2 %2026-10-23
Exploit-DBdetectionread 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published: 2018-09-07
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2018-0624?

Is CVE-2018-0624 actively exploited?

Active exploitation of CVE-2018-0624 has not been confirmed. Its EPSS score was 1.2% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-0624?

CVE-2018-0624 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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