THREATPORT/VULNERABILITY/CVE-2017-8665
HIGH SEVERITY

CVE-2017-8665

Xamarin.Ios vulnerability

CVSS
7.8
EPSS
4.3%
EPSS pct
90th
Exploited
No known
The Xamarin.iOS update component on systems running macOS allows an attacker to run arbitrary code as root, aka "Xamarin.iOS Elevation Of Privilege Vulnerability."
Affected vendor
Microsoft
Affected product
Xamarin.Ios
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-732 — Incorrect Permission Assignment for Critical Resource
Published
2017-08-15

Risk analysis

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

Its EPSS score of 4.3% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 90% of all scored CVEs.

Check your external exposure to CVE-2017-8665

  • Confirm whether Microsoft Xamarin.Ios is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2017-8665.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-8665

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-8665 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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