CVE-2018-4110

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-13. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 4%CVSS: 9.8Exploit: Elevated riskExposed: 0

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

An issue was discovered in certain Apple products. iOS before 11.3 is affected. The issue involves the "Web App" component. It allows remote attackers to bypass intended restrictions on cookie persistence.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
65(Track*)
EG Risk 65/100SSVC: Track*

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation40% × 40%
Automatability30% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
4%
EPSS %ILE
89%
KEV
Not listed

Published

April 3, 2018

Last Modified

November 21, 2024

Advisory Details (3)

Auto-updated Sep 2, 2026
No patch confirmed yet.
generic

About the security content of iOS 11.3 - Apple Support

https://support.apple.com/HT208693
generic
http://www.securitytracker.com/id/1040604
generic

CVE-2018-4110 - PSIRT.COM

http://www.securityfocus.com/bid/103578

Data Freshness Timeline

(refreshed 4× in last 7d / 23× 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.

Showing the most recent 100 of 131 total refreshes for this CVE.

  1. 2026-09-06 13:44 UTCEPSS rescore
  2. 2026-09-04 13:56 UTCEPSS rescore
  3. 2026-09-04 05:02 UTCEPSS rescore
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  6. 2026-08-30 19:13 UTCEPSS rescore
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  8. 2026-08-28 21:36 UTCEPSS rescore
  9. 2026-08-27 14:21 UTCEPSS rescore
  10. 2026-08-26 14:42 UTCEPSS rescore
  11. 2026-08-25 13:45 UTCEPSS rescore
  12. 2026-08-24 14:11 UTCEPSS rescore
  13. 2026-08-21 23:45 UTCEPSS rescore
  14. 2026-08-20 22:51 UTCEPSS rescore
  15. 2026-08-19 17:00 UTCEPSS rescore
  16. 2026-08-18 13:44 UTCEPSS rescore
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  21. 2026-08-13 21:56 UTCEPSS rescore
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  24. 2026-08-08 16:32 UTCEPSS rescore
  25. 2026-08-07 16:23 UTCEPSS rescore
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  1. 2026-08-06 13:42 UTCEPSS rescore
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  3. 2026-08-04 10:33 UTCEPSS rescore
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  5. 2026-08-02 02:23 UTCEPSS rescore
  6. 2026-08-01 04:12 UTCEPSS rescore
  7. 2026-07-30 16:24 UTCEPSS rescore
  8. 2026-07-30 01:27 UTCEPSS rescore
  9. 2026-07-28 15:32 UTCEPSS rescore
  10. 2026-07-27 14:05 UTCEPSS rescore
  11. 2026-07-25 14:14 UTCEPSS rescore
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  13. 2026-07-24 14:14 UTCEPSS rescore
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  15. 2026-07-23 14:15 UTCEPSS rescore
  16. 2026-07-23 14:15 UTCEPSS rescore
  17. 2026-07-23 01:36 UTCEG score recompute
  18. 2026-07-22 22:16 UTCEG score recompute
  19. 2026-07-22 14:05 UTCEPSS rescore
  20. 2026-07-21 15:22 UTCEPSS rescore
  21. 2026-07-20 17:04 UTCEPSS rescore
  22. 2026-07-20 17:04 UTCEPSS rescore
  23. 2026-07-19 14:28 UTCEPSS rescore
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  25. 2026-07-19 02:26 UTCEPSS rescore
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  27. 2026-07-16 16:59 UTCEPSS rescore
  28. 2026-07-16 16:59 UTCEPSS rescore
  29. 2026-07-15 16:55 UTCEPSS rescore
  30. 2026-07-15 01:56 UTCEPSS rescore
  31. 2026-07-13 22:27 UTCEPSS rescore
  32. 2026-07-12 05:43 UTCEPSS rescore
  33. 2026-07-09 19:06 UTCEPSS rescore
  34. 2026-07-08 15:11 UTCEPSS rescore
  35. 2026-07-08 15:11 UTCEPSS rescore
  36. 2026-07-07 13:42 UTCEPSS rescore
  37. 2026-07-07 13:42 UTCEPSS rescore
  38. 2026-07-06 16:25 UTCEPSS rescore
  39. 2026-07-06 16:24 UTCEPSS rescore
  40. 2026-07-06 02:20 UTCEPSS rescore
  41. 2026-07-05 02:27 UTCEPSS rescore
  42. 2026-07-04 06:28 UTCEPSS rescore
  43. 2026-07-04 06:28 UTCEPSS rescore
  44. 2026-07-01 15:03 UTCEPSS rescore
  45. 2026-07-01 15:03 UTCEPSS rescore
  46. 2026-06-30 23:20 UTCEPSS rescore
  47. 2026-06-30 23:20 UTCEPSS rescore
  48. 2026-06-29 14:03 UTCEPSS rescore
  49. 2026-06-28 14:04 UTCEPSS rescore
  50. 2026-06-28 04:53 UTCEPSS rescore
  51. 2026-06-28 04:53 UTCEPSS rescore
  52. 2026-06-27 03:06 UTCEPSS rescore
  53. 2026-06-27 03:06 UTCEPSS rescore
  54. 2026-06-25 13:47 UTCEPSS rescore
  55. 2026-06-25 13:47 UTCEPSS rescore
  56. 2026-06-24 14:02 UTCEPSS rescore
  57. 2026-06-24 14:02 UTCEPSS rescore
  58. 2026-06-23 21:30 UTCEPSS rescore
  59. 2026-06-23 21:30 UTCEPSS rescore
  60. 2026-06-22 14:23 UTCEPSS rescore
  61. 2026-06-22 14:23 UTCEPSS rescore
  62. 2026-06-21 14:54 UTCEPSS rescore
  63. 2026-06-21 14:54 UTCEPSS rescore
  64. 2026-06-21 01:57 UTCEPSS rescore
  65. 2026-06-21 01:57 UTCEPSS rescore
  66. 2026-06-19 19:23 UTCEPSS rescore
  67. 2026-06-19 19:23 UTCEPSS rescore
  68. 2026-06-18 17:50 UTCEPSS rescore
  69. 2026-06-18 17:50 UTCEPSS rescore
  70. 2026-06-17 17:50 UTCEPSS rescore
  71. 2026-06-16 17:50 UTCEPSS rescore
  72. 2026-06-16 17:50 UTCEPSS rescore
  73. 2026-06-15 17:45 UTCEPSS rescore
  74. 2026-06-14 23:15 UTCEPSS rescore
  75. 2026-06-14 23:15 UTCEPSS rescore

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCbencompton/ios11-cookie-set-expire-issue
    First seen Oct 3, 2017

    Reproduction of iOS 11 bug CVE-2018-4110

    Open source ↗

Frequently asked(5)

What is CVE-2018-4110?
CVE-2018-4110 is a critical vulnerability published on April 3, 2018. An issue was discovered in certain Apple products. iOS before 11.3 is affected. The issue involves the "Web App" component. It allows remote attackers to bypass intended restrictions on cookie persistence.
When was CVE-2018-4110 disclosed?
CVE-2018-4110 was first published in the National Vulnerability Database on April 3, 2018, 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-2018-4110 actively exploited?
CVE-2018-4110 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 4% probability of exploitation in the next 30 days, which ranks it in the top 10.6% of all scored CVEs.
What is the CVSS score of CVE-2018-4110?
CVE-2018-4110 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2018-4110?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-4110, 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.

Dependency Blast Radius

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