CVE-2016-4739

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Summary

CVECVE-2016-4739
StatePUBLISHED
Assignerapple
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-09-25 10:59:42 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionmDNSResponder in Apple OS X before 10.12, when VMnet.framework is used, arranges for a DNS proxy to listen on all interfaces, which allows remote attackers to obtain sensitive information by sending a DNS query to an unintended interface.

Risk And Classification

Primary CVSS: v3.0 3.7 LOW from [email protected]

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS: 0.003450000 probability, percentile 0.570070000 (date 2026-05-07)

Problem Types: CWE-200 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary3.7LOWCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
2.0[email protected]Primary4.3AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None

AV:N/AC:M/Au:N/C:P/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Apple Mac Os X All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Apple Mac OS X APPLE-SA-2016-09-20 Multiple Security Vulnerabilities af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
About the security content of macOS Sierra 10.12 - Apple Support af854a3a-2127-422b-91ae-364da2661108 support.apple.com Vendor Advisory
APPLE-SA-2016-09-20 macOS Sierra 10.12 af854a3a-2127-422b-91ae-364da2661108 lists.apple.com Mailing List, Vendor Advisory
Apple macOS/OS X Multiple Flaws Let Remote and Local Users Deny Service, Obtain Potentially Sensitive Information, Execute Arbitrary Code, and Gain Elevated Privileges - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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