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CVE-2018-16181

19
FAUCET Score

CVE-2018-16181 is an HTTP header injection vulnerability affecting i-FILTER Ver.9.50R05 and earlier. This flaw allows remote attackers to inject arbitrary HTTP headers, potentially leading to HTTP response splitting attacks, arbitrary script injection, or the setting of arbitrary cookie values. With a CVSS score of 6.1 (MEDIUM), the vulnerability requires user interaction and can impact confidentiality and integrity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 9.50r05CPE matchmatch criteria
cpe:2.3:a:daj:i-filter:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.1MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.83%
Probability of exploitation in next 30 days
EPSS Percentile
53.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0083 is in the 63rd percentile among its peer group of 26,219 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

download.daj.co.jp / user/ifilter/V9
Permissions RequiredVendor Advisory
jvn.jp / en/jp/JVN32155106/index.html
Third Party Advisory