CVE-2019-8662

Iphone Os vulnerability

CVSS

9.8

EPSS

9.8%

EPSS pct

95th

Exploited

No known

This issue was addressed with improved checks. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, watchOS 5.3. An attacker may be able to trigger a use-after-free in an application deserializing an untrusted NSDictionary.

Affected vendor

Apple

Affected product

Iphone Os

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness type (CWE)

CWE-416 — Use After Free
CWE-502 — Deserialization of Untrusted Data

Published

2019-12-18

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 9.8% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 95% of all scored CVEs.

Check your external exposure to CVE-2019-8662

Confirm whether Apple Iphone Os is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2019-8662.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2019-8662

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2019-8662 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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