What is CVE-2018-16181?

CVE-2018-16181 is a medium-severity vulnerability in Daj I-Filter, classified under HTTP Response Splitting. CVSS score: 6.1/10. Published 2019-01-09.

How severe is CVE-2018-16181?

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

Vulnerability in Daj I-Filter

CVE-2018-16181

HTTP header injection vulnerability in i-FILTER Ver.9.50R05 and earlier may allow remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks that may result in an arbitrary script injection or setting an arbitrary cookie values via unspecified vectors.

Published 2019-01-09 · 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 (56.0th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.0% 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

Daj I-Filter
Digital Arts Inc. I-Filter — versions Ver.9.50R05 and earlier

Weakness classification (CWE)

CWE-113 — HTTP Response Splitting

References

jvn.jp/en/jp/JVN32155106/index.html (Third Party Advisory, third-party-advisory)
download.daj.co.jp/user/ifilter/V9/ (Permissions Required, Vendor Advisory)

Frequently asked questions

What is CVE-2018-16181?: CVE-2018-16181 is a medium-severity vulnerability in Daj I-Filter, classified under HTTP Response Splitting. CVSS score: 6.1/10. Published 2019-01-09.
How severe is CVE-2018-16181?: Medium severity. CVSS v3 base score is 6.1 out of 10.