THREATPORT/VULNERABILITY/CVE-2020-9918
CRITICAL SEVERITY

CVE-2020-9918

Mac Os X vulnerability

CVSS
9.8
EPSS
3.0%
EPSS pct
86th
Exploited
No known
An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.6, tvOS 13.4.8, watchOS 6.2.8. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.
Affected vendor
Apple
Affected product
Mac Os X
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
2020-10-16

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 3.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 86% of all scored CVEs.

Check your external exposure to CVE-2020-9918

  • Confirm whether Apple Mac Os X is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-9918.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-9918

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-9918 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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