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CVE-2017-7083

An issue was discovered in certain Apple products. iOS before 11 is affected. macOS before 10.13...

4.9 Medium

An issue was discovered in certain Apple products. iOS before 11 is affected. macOS before 10.13 is affected. tvOS before 11 is affected. watchOS before 4 is affected. The issue involves the "CFNetwork Proxies" component. It allows remote attackers to cause a denial of service.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
High
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

1.57%Up 1.2 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 4.9

An issue was discovered in certain Apple products. iOS before 11 is affected. macOS before 10.13 is affected. tvOS before 11 is affected. watchOS before 4 is affected. The issue involves the "CFNetwork Proxies" component. It allows remote attackers to cause a denial of service.

Record
CVE-2017-7083
CVSS 3.0
4.9 MediumCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
4.0 MediumAV:N/AC:L/Au:S/C:N/I:N/A:P
Weakness
CWE-20
Updated
2026-11-02
CVE List No score

An issue was discovered in certain Apple products. iOS before 11 is affected. macOS before 10.13 is affected. tvOS before 11 is affected. watchOS before 4 is affected. The issue involves the "CFNetwork Proxies" component. It allows remote attackers to cause a denial of service.

Record
CVE-2017-7083
Updated
2026-11-02
EUVDEUVD-2017-16121 No score

An issue was discovered in certain Apple products. iOS before 11 is affected. macOS before 10.13 is affected. tvOS before 11 is affected. watchOS before 4 is affected. The issue involves the "CFNetwork Proxies" component. It allows remote attackers to cause a denial of service.

Record
EUVD-2017-16121
Updated
2026-11-03
GitHub AdvisoriesGHSA-cccc-7v4m-r37j 4.9

An issue was discovered in certain Apple products. iOS before 11 is affected. macOS before 10.13...

An issue was discovered in certain Apple products. iOS before 11 is affected. macOS before 10.13 is affected. tvOS before 11 is affected. watchOS before 4 is affected. The issue involves the "CFNetwork Proxies" component. It allows remote attackers to cause a denial of service.

Record
GHSA-cccc-7v4m-r37j
CVSS 3.0
4.9 MediumCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-20
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-7083 is a medium vulnerability (CVSS 4.9) in Apple Tvos, published October 23, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.57%, the 75th percentile. No source names a fixed version.

References

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