What is CVE-2018-16171?

CVE-2018-16171 is a high-severity vulnerability in Cybozu Remote Service Manager, classified under Path Traversal. CVSS score: 8.8/10. Published 2019-01-09.

How severe is CVE-2018-16171?

High severity. CVSS v3 base score is 8.8 out of 10.

Path Traversal in Cybozu Remote Service Manager

CVE-2018-16171

Directory traversal vulnerability in Cybozu Remote Service 3.0.0 to 3.1.8 allows remote attackers to execute Java code file on the server via unspecified vectors.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2019-01-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.019 (78.4th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000

Affected products

Cybozu Remote Service Manager
Cybozu, Inc. Cybozu Remote Service — versions 3.0.0 to 3.1.8
Microsoft Windows

Weakness classification (CWE)

CWE-22 — Path Traversal

References

kb.cybozu.support/article/35259/ (Vendor Advisory)
jvn.jp/en/jp/JVN23161885/index.html (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2018-16171?: CVE-2018-16171 is a high-severity vulnerability in Cybozu Remote Service Manager, classified under Path Traversal. CVSS score: 8.8/10. Published 2019-01-09.
How severe is CVE-2018-16171?: High severity. CVSS v3 base score is 8.8 out of 10.