How severe is CVE-2019-8779?

CVE-2019-8779 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-8779 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-8779?

CVE-2019-8779 primarily affects Apple Ipados. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-8779?

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

When was CVE-2019-8779 published?

CVE-2019-8779 was published on 2019-12-18 and last updated on 2026-06-17.

CVE-2019-8779

CVE-2019-8779 is a critical-severity vulnerability in Apple Ipados with a CVSS 3.x base score of 10.0. 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: Critical (CVSS 3.x base score 10.0)
CVSS v2: 7.5
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-668
Affected product: Apple Ipados
Published: 2019-12-18
Last modified: 2026-06-17

Description

A logic issue applied the incorrect restrictions. This issue was addressed by updating the logic to apply the correct restrictions. This issue is fixed in iOS 13.1.1 and iPadOS 13.1.1. Third party app extensions may not receive the correct sandbox restrictions.

Frequently asked questions

What is CVE-2019-8779?: A logic issue applied the incorrect restrictions. This issue was addressed by updating the logic to apply the correct restrictions. This issue is fixed in iOS 13.1.1 and iPadOS 13.1.1. Third party app extensions may not receive the correct sandbox restrictions.
How severe is CVE-2019-8779?: CVE-2019-8779 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-8779 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-8779?: CVE-2019-8779 primarily affects Apple Ipados. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-8779?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-8779 published?: CVE-2019-8779 was published on 2019-12-18 and last updated on 2026-06-17.

References

https://support.apple.com/HT210624

Affected products (2)

cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*

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