How severe is CVE-2019-8702?

CVE-2019-8702 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2019-8702 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-8702?

CVE-2019-8702 primarily affects Apple Iphone Os. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-8702?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-8702 published?

CVE-2019-8702 was published on 2021-12-23 and last updated on 2026-06-17.

CVE-2019-8702

CVE-2019-8702 is a medium-severity vulnerability in Apple Iphone Os with a CVSS 3.x base score of 5.5. 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-668.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-668
Affected product: Apple Iphone Os
Published: 2021-12-23
Last modified: 2026-06-17

Description

This issue was addressed with a new entitlement. This issue is fixed in macOS Mojave 10.14.6, Security Update 2019-004 High Sierra, Security Update 2019-004 Sierra, iOS 12.4, tvOS 12.4. A local user may be able to read a persistent account identifier.

Frequently asked questions

What is CVE-2019-8702?: This issue was addressed with a new entitlement. This issue is fixed in macOS Mojave 10.14.6, Security Update 2019-004 High Sierra, Security Update 2019-004 Sierra, iOS 12.4, tvOS 12.4. A local user may be able to read a persistent account identifier.
How severe is CVE-2019-8702?: CVE-2019-8702 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2019-8702 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-8702?: CVE-2019-8702 primarily affects Apple Iphone Os. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-8702?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-8702 published?: CVE-2019-8702 was published on 2021-12-23 and last updated on 2026-06-17.

References

Affected products (21)

cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
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:mac_os_x:10.12.6:security_update_2017-002:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.12.6:security_update_2018-001:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.12.6:security_update_2018-002:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.12.6:security_update_2018-003:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.12.6:security_update_2018-004:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.12.6:security_update_2018-005:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.12.6:security_update_2018-006:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.12.6:security_update_2019-001:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.12.6:security_update_2019-002:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.12.6:security_update_2019-003:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.13.6:-:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2018-002:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2018-003:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-001:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-002:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-003:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*

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