How severe is CVE-2015-5863?

CVE-2015-5863 has a CVSS 2.0 base score of 2.1, rated low severity.

Is CVE-2015-5863 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-5863?

CVE-2015-5863 primarily affects Apple Iphone Os. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-5863?

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

When was CVE-2015-5863 published?

CVE-2015-5863 was published on 2015-09-18 and last updated on 2026-06-17.

CVE-2015-5863

CVE-2015-5863 is a low-severity vulnerability in Apple Iphone Os with a CVSS 2.0 base score of 2.1. 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-200.

Key facts

Severity: Low (CVSS 2.0 base score 2.1)
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Apple Iphone Os
Published: 2015-09-18
Last modified: 2026-06-17

Description

IOStorageFamily in Apple iOS before 9 does not properly initialize an unspecified data structure, which allows local users to obtain sensitive information from kernel memory via unknown vectors.

Frequently asked questions

What is CVE-2015-5863?: IOStorageFamily in Apple iOS before 9 does not properly initialize an unspecified data structure, which allows local users to obtain sensitive information from kernel memory via unknown vectors.
How severe is CVE-2015-5863?: CVE-2015-5863 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2015-5863 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-5863?: CVE-2015-5863 primarily affects Apple Iphone Os. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-5863?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-5863 published?: CVE-2015-5863 was published on 2015-09-18 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:watchos:1.0:*:*:*:*:*:*:*

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