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01 Record

CVE-2018-4277

In iOS before 11.4.1, watchOS before 4.3.2, tvOS before 11.4.1, Safari before 11.1.1, macOS High Sierra before 10.13.6, a spoofing issue existed in the handling of URLs. This issue was addressed with

UnratedPUBLISHEDCNA: apple
CNA base scoreUnratedNo CNA CVSS vector
View raw JSON

02 Description

In iOS before 11.4.1, watchOS before 4.3.2, tvOS before 11.4.1, Safari before 11.1.1, macOS High Sierra before 10.13.6, a spoofing issue existed in the handling of URLs. This issue was addressed with

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
1.86% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 78.8% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2019-01-11 18:00Z7 YR AGO
Last updated
2024-08-05 05:11Z2 YR AGO
Reserved
2018-01-02
Assigning CNA
apple
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-20Improper Input ValidationClass
Data version
5.1
Document digest
56cce10e18d156ef66717d42a2bd9e6e8185df1adc16ce128c430f633c5e5a54

05 Affected products

VendorProductVersionsPlatforms
appleiphone_osNot specified—
applemac_os_xNot specified—
applesafariNot specified—
appletvosNot specified—
applewatchosNot specified—

06 References