How severe is CVE-2017-13905?

CVE-2017-13905 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-13905 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-13905?

CVE-2017-13905 primarily affects Apple Iphone Os. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-13905?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-13905 published?

CVE-2017-13905 was published on 2021-12-23 and last updated on 2026-06-17.

CVE-2017-13905

CVE-2017-13905 is a high-severity vulnerability in Apple Iphone Os with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-362.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 6.8
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-362
Affected product: Apple Iphone Os
Published: 2021-12-23
Last modified: 2026-06-17

Description

A race condition was addressed with additional validation. This issue is fixed in tvOS 11.2, iOS 11.2, macOS High Sierra 10.13.2, Security Update 2017-002 Sierra, and Security Update 2017-005 El Capitan, watchOS 4.2. An application may be able to gain elevated privileges.

Frequently asked questions

What is CVE-2017-13905?: A race condition was addressed with additional validation. This issue is fixed in tvOS 11.2, iOS 11.2, macOS High Sierra 10.13.2, Security Update 2017-002 Sierra, and Security Update 2017-005 El Capitan, watchOS 4.2. An application may be able to gain elevated privileges.
How severe is CVE-2017-13905?: CVE-2017-13905 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-13905 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-13905?: CVE-2017-13905 primarily affects Apple Iphone Os. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-13905?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-13905 published?: CVE-2017-13905 was published on 2021-12-23 and last updated on 2026-06-17.

References

Affected products (15)

cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.11.6:-:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.11.6:security_update_2016-001:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.11.6:security_update_2016-002:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.11.6:security_update_2016-003:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.11.6:security_update_2017-001:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.11.6:security_update_2017-002:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.11.6:security_update_2017-003:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.11.6:security_update_2017-004:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.12.6:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.12.6:security_update_2017-001:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

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