How severe is CVE-2022-42837?

CVE-2022-42837 has a CVSS 3.x base score of 9.8, 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-2022-42837 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-42837?

CVE-2022-42837 primarily affects Apple Ipados. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-42837?

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-2022-42837 published?

CVE-2022-42837 was published on 2022-12-15 and last updated on 2026-06-17.

CVE-2022-42837

CVE-2022-42837 is a critical-severity vulnerability in Apple Ipados with a CVSS 3.x base score of 9.8. 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-20.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Apple Ipados
Published: 2022-12-15
Last modified: 2026-06-17

Description

An issue existed in the parsing of URLs. This issue was addressed with improved input validation. This issue is fixed in iOS 16.2 and iPadOS 16.2, macOS Ventura 13.1, iOS 15.7.2 and iPadOS 15.7.2, watchOS 9.2. A remote user may be able to cause unexpected app termination or arbitrary code execution.

Frequently asked questions

What is CVE-2022-42837?: An issue existed in the parsing of URLs. This issue was addressed with improved input validation. This issue is fixed in iOS 16.2 and iPadOS 16.2, macOS Ventura 13.1, iOS 15.7.2 and iPadOS 15.7.2, watchOS 9.2. A remote user may be able to cause unexpected app termination or arbitrary code execution.
How severe is CVE-2022-42837?: CVE-2022-42837 has a CVSS 3.x base score of 9.8, 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-2022-42837 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-42837?: CVE-2022-42837 primarily affects Apple Ipados. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-42837?: 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-2022-42837 published?: CVE-2022-42837 was published on 2022-12-15 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:13.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

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