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CVE-2017-2474

Published: Apr 2, 2017Updated: May 13, 2026 Sources: CVE List NVD BDUNVD-CWE-noinfo
7.8HIGH
NVD MITRE
EPSS Score
4.8%
Top 8.5%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available
Self-Check
OpenVAS

Description

An issue was discovered in certain Apple products. iOS before 10.3 is affected. macOS before 10.12.4 is affected. tvOS before 10.2 is affected. watchOS before 3.2 is affected. The issue involves the "Kernel" component. An off-by-one error allows attackers to execute arbitrary code in a privileged context via a crafted app.

In plain language

AI Worth attention

This is a serious Apple iPhone/iPad/Mac/TV/watch security bug that can allow an app to take over the device’s most powerful features; if you’re running an older iOS/macOS/tvOS/watchOS version, you should update.

Executive summary

CVE-2017-2474 is a kernel “off-by-one” bug in certain Apple operating systems that allows attackers to execute arbitrary code in a privileged context by using a crafted app; at least one public exploit is available and interest is rising, so you should update your devices.

If affected, business impact
Device takeoverFull system compromiseData theft riskService disruption

What to do now

  1. Check each affected device’s current iOS/macOS/tvOS/watchOS version.
  2. For iOS: update to iOS 10.3 or newer (older than 10.3 is affected).
  3. For macOS: update to macOS 10.12.4 or newer (older than 10.12.4 is affected).
  4. For tvOS: update to tvOS 10.2 or newer (older than 10.2 is affected).
  5. For watchOS: update to watchOS 3.2 or newer (older than 3.2 is affected).
  6. Follow Apple’s guidance in the remediation articles linked in the notice, and then re-check that your devices show the updated versions.
Patch / advisory Some work to apply

CVSS Vector Breakdown

AV:LAC:LPR:NUI:RS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

NVD-CWE-noinfo

Affected Products

Apple Inc.
commercial·USaka apple, apple computer
iOSEmbeddedOS
Operating Systems / mobile-os
MacOSOn-premOS
Operating Systems / unix-bsd
tvosEmbeddedOS
Operating Systems / mobile-os
watchosEmbeddedOS
Operating Systems / mobile-os
and 3 more affected products View all →

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
Is your org exposed to CVE-2017-2474?Request an assessment to establish which checks are appropriate for your systems. Check my exposure

References

http://www.securityfocus.com/bid/97137
securityfocus.com
http://www.securitytracker.com/id/1038138
securitytracker.com
https://support.apple.com/HT207601
support.apple.com
and 8 more references View all →

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