What is CVE-2017-2172?

CVE-2017-2172 is a medium-severity vulnerability in Cybozu Kunai, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-07-07.

How severe is CVE-2017-2172?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Cybozu Kunai

CVE-2017-2172

Cross-site scripting vulnerability in Cybozu KUNAI for Android 3.0.0 to 3.0.6 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2017-07-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.008 (53.6th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.6% 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

Cybozu Kunai — versions 3.0.0, 3.0.1, 3.0.2
Cybozu, Inc. Cybozu Kunai For Android — versions 3.0.0 to 3.0.6

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

support.cybozu.com/ja-jp/article/9909 (Vendor Advisory)
jvn.jp/en/jp/JVN56588965/index.html (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2017-2172?: CVE-2017-2172 is a medium-severity vulnerability in Cybozu Kunai, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-07-07.
How severe is CVE-2017-2172?: Medium severity. CVSS v3 base score is 6.1 out of 10.