THREATPORT/VULNERABILITY/CVE-2019-8660
CRITICAL SEVERITY

CVE-2019-8660

Iphone Os vulnerability

CVSS
9.8
EPSS
13.8%
EPSS pct
96th
Exploited
No known
A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, watchOS 5.3. A remote attacker may be able to cause unexpected application termination or arbitrary code execution.
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)
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 13.8% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2019-8660

  • Confirm whether Apple Iphone Os is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2019-8660.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2019-8660

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2019-8660 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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