CVE-2018-4209

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

2.06% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 79.9% of scored records. A rank, not a probability.

NVD base score

8.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

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.

Published

2019-01-11 18:00Z7 YR AGO

Last updated

2024-08-05 05:04Z2 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

e9cdc995dca0499e0d70ac9655ec16a39464dbabdf05829738f6387b6b2dbab5

• support.apple.comhttps://support.apple.com/HT208695%2Cx_refsource_MISC
• support.apple.comhttps://support.apple.com/HT208697%2Cx_refsource_MISC
• support.apple.comhttps://support.apple.com/HT208696%2Cx_refsource_MISC
• usn.ubuntu.comUSN-3781-1https://usn.ubuntu.com/3781-1/vendor-advisoryx_refsource_UBUNTU
• support.apple.comhttps://support.apple.com/HT208698%2Cx_refsource_MISC
• security.gentoo.orgGLSA-201812-04https://security.gentoo.org/glsa/201812-04vendor-advisoryx_refsource_GENTOO
• support.apple.comhttps://support.apple.com/HT208694x_refsource_CONFIRM
• support.apple.comhttps://support.apple.com/HT208693%2Cx_refsource_MISC