CVE-2019-8527

Iphone Os vulnerability

CVSS

9.1

EPSS

3.2%

EPSS pct

87th

Exploited

No known

A buffer overflow was addressed with improved size validation. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.

Affected vendor

Apple

Affected product

Iphone Os

CVSS vector

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

Weakness type (CWE)

CWE-120 — Classic Buffer Overflow

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 integrity, high impact to availability.

Its EPSS score of 3.2% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 87% of all scored CVEs.

Check your external exposure to CVE-2019-8527

Confirm whether Apple Iphone Os is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2019-8527.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2019-8527

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2019-8527 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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