How severe is CVE-2015-5898?

CVE-2015-5898 has a CVSS 2.0 base score of 2.1, rated low severity.

Is CVE-2015-5898 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-5898?

CVE-2015-5898 primarily affects Apple Iphone Os. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-5898?

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

When was CVE-2015-5898 published?

CVE-2015-5898 was published on 2015-09-18 and last updated on 2026-06-17.

CVE-2015-5898

CVE-2015-5898 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% (16th 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

CFNetwork in Apple iOS before 9 relies on the hardware UID for its cache encryption key, which makes it easier for physically proximate attackers to obtain sensitive information by obtaining this UID.

Frequently asked questions

What is CVE-2015-5898?: CFNetwork in Apple iOS before 9 relies on the hardware UID for its cache encryption key, which makes it easier for physically proximate attackers to obtain sensitive information by obtaining this UID.
How severe is CVE-2015-5898?: CVE-2015-5898 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2015-5898 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-5898?: CVE-2015-5898 primarily affects Apple Iphone Os. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-5898?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-5898 published?: CVE-2015-5898 was published on 2015-09-18 and last updated on 2026-06-17.

References

Affected products (2)

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

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