CVE-2018-16181

MEDIUMNVD 6.16.1—
EchelonGraph scoreMEDIUM confidence

Score 6.1 from GitHub Security Advisory published 2022-05-14. NVD baseline CVSS 6.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.1
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 6.1Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
6.1
EG Score
6.1(medium)
EPSS
53.3%
KEV
Not listed

Published

January 9, 2019

Last Modified

November 21, 2024

References (4)

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 9× in last 7d / 43× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-11 08:24 UTCEPSS rescore
  2. 2026-07-09 19:06 UTCEPSS rescore
  3. 2026-07-08 15:11 UTCEPSS rescore
  4. 2026-07-07 13:42 UTCEPSS rescore
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  11. 2026-07-02 16:54 UTCEPSS rescore
  12. 2026-07-01 15:03 UTCEPSS rescore
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  14. 2026-06-30 23:19 UTCEPSS rescore
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  16. 2026-06-29 14:03 UTCEPSS rescore
  17. 2026-06-28 14:04 UTCEPSS rescore
  18. 2026-06-28 04:53 UTCEPSS rescore
  19. 2026-06-28 04:53 UTCEPSS rescore
  20. 2026-06-27 03:06 UTCEPSS rescore
  21. 2026-06-25 13:47 UTCEPSS rescore
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  1. 2026-06-22 14:23 UTCEPSS rescore
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  4. 2026-06-21 01:57 UTCEPSS rescore
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  6. 2026-06-19 19:23 UTCEPSS rescore
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  9. 2026-06-17 17:50 UTCEPSS rescore
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  11. 2026-06-16 17:50 UTCEPSS rescore
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  14. 2026-06-14 23:14 UTCEPSS rescore
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  18. 2026-06-12 23:09 UTCEPSS rescore
  19. 2026-06-11 13:57 UTCEPSS rescore
  20. 2026-06-10 22:16 UTCEPSS rescore
  21. 2026-06-10 13:19 UTCEPSS rescore
  22. 2026-06-08 14:14 UTCEPSS rescore
  23. 2026-06-08 14:14 UTCEPSS rescore
  24. 2026-06-07 15:22 UTCEPSS rescore
  25. 2026-06-07 15:22 UTCEPSS rescore
  26. 2026-06-06 13:45 UTCEPSS rescore
  27. 2026-06-06 13:45 UTCEPSS rescore
  28. 2026-06-05 22:45 UTCEPSS rescore
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  30. 2026-06-05 06:08 UTCEPSS rescore
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  36. 2026-06-01 13:49 UTCEPSS rescore
  37. 2026-05-31 22:29 UTCEPSS rescore
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  39. 2026-05-31 00:14 UTCEPSS rescore
  40. 2026-05-31 00:14 UTCEPSS rescore
  41. 2026-05-29 13:41 UTCEPSS rescore
  42. 2026-05-28 13:42 UTCEPSS rescore
  43. 2026-05-28 13:42 UTCEPSS rescore
  44. 2026-05-27 23:32 UTCEG score recompute
  45. 2026-05-27 23:32 UTCGHSA enrichment
  46. 2026-05-27 13:38 UTCEPSS rescore
  47. 2026-05-27 13:38 UTCEPSS rescore
  48. 2026-05-26 13:42 UTCEPSS rescore
  49. 2026-05-26 13:42 UTCEPSS rescore
  50. 2026-05-26 07:17 UTCEPSS rescore
  51. 2026-05-26 07:17 UTCEPSS rescore

Frequently asked(5)

What is CVE-2018-16181?
CVE-2018-16181 is a medium vulnerability published on January 9, 2019. 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.
When was CVE-2018-16181 disclosed?
CVE-2018-16181 was first published in the National Vulnerability Database on January 9, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-16181 actively exploited?
CVE-2018-16181 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 53.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2018-16181?
CVE-2018-16181 has a CVSS v3 base score of 6.1 (NVD).
How do I remediate CVE-2018-16181?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-16181, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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