CVE-2018-4293

MEDIUMNVD 5.35.3—

5.3

A cookie management issue was addressed with improved checks. This issue affected versions prior to iOS 11.4.1, macOS High Sierra 10.13.6, tvOS 11.4.1, watchOS 4.3.2, iTunes 12.8 for Windows, iCloud for Windows 7.6.

CVSS v3: 5.3
EG Score: 5.3(medium)
EPSS: 69.2%
KEV: Not listed

Published

April 3, 2019

Last Modified

November 21, 2024

References (12)

product-security@applehttps://support.apple.com/kb/HT208932
product-security@applehttps://support.apple.com/kb/HT208933
product-security@applehttps://support.apple.com/kb/HT208935
product-security@applehttps://support.apple.com/kb/HT208936
product-security@applehttps://support.apple.com/kb/HT208937
product-security@applehttps://support.apple.com/kb/HT208938
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/kb/HT208932
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/kb/HT208933
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/kb/HT208935
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/kb/HT208936
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/kb/HT208937
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/kb/HT208938

Weakness Classification(1)

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

CWE-20Improper Input Validation

Data Freshness Timeline

(refreshed 12× in last 7d / 20× 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.

2026-06-08 14:14 UTCEPSS rescore
2026-06-07 15:22 UTCEPSS rescore
2026-06-07 15:22 UTCEPSS rescore
2026-06-06 13:45 UTCEPSS rescore
2026-06-06 13:45 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 00:14 UTCEPSS rescore
2026-05-31 00:14 UTCEPSS rescore
2026-05-29 13:41 UTCEPSS rescore
2026-05-28 13:43 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore

Frequently asked(5)

What is CVE-2018-4293?

CVE-2018-4293 is a medium vulnerability published on April 3, 2019. A cookie management issue was addressed with improved checks. This issue affected versions prior to iOS 11.4.1, macOS High Sierra 10.13.6, tvOS 11.4.1, watchOS 4.3.2, iTunes 12.8 for Windows, iCloud for Windows 7.6.

When was CVE-2018-4293 disclosed?

CVE-2018-4293 was first published in the National Vulnerability Database on April 3, 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-2018-4293 actively exploited?

CVE-2018-4293 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 69.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-4293?

CVE-2018-4293 has a CVSS v3 base score of 5.3 (NVD).

How do I remediate CVE-2018-4293?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-4293, 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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CVE-2018-4293

📅 Published

🔄 Last Modified

🔗 References (12)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-4293?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (12)

Frequently asked(5)

Related CVEs(same CWE)