What is CVE-2018-0648?

CVE-2018-0648 is a high-severity vulnerability in Chatwork, classified under Untrusted Search Path. CVSS score: 7.8/10. Published 2018-09-07.

How severe is CVE-2018-0648?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Chatwork

CVE-2018-0648

Untrusted search path vulnerability in installer of ChatWork Desktop App for Windows 2.3.0 and earlier allows an attacker to gain privileges via a Trojan horse DLL in an unspecified directory.

Published 2018-09-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (54.9th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Chatwork
Chatwork Co,. Ltd. Installer Of Desktop App For Windows — versions 2.3.0 and earlier

Weakness classification (CWE)

CWE-426 — Untrusted Search Path

References

jvn.jp/en/jp/JVN39171169/index.html (Third Party Advisory, third-party-advisory)
go.chatwork.com/download/ (Vendor Advisory)

Frequently asked questions

What is CVE-2018-0648?: CVE-2018-0648 is a high-severity vulnerability in Chatwork, classified under Untrusted Search Path. CVSS score: 7.8/10. Published 2018-09-07.
How severe is CVE-2018-0648?: High severity. CVSS v3 base score is 7.8 out of 10.