How severe is CVE-2015-1103?

CVE-2015-1103 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2015-1103 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-1103?

CVE-2015-1103 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-2015-1103?

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

When was CVE-2015-1103 published?

CVE-2015-1103 was published on 2015-04-10 and last updated on 2026-06-17.

CVE-2015-1103

CVE-2015-1103 is a high-severity vulnerability in Apple Iphone Os with a CVSS 2.0 base score of 7.5. 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-20.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Apple Iphone Os
Published: 2015-04-10
Last modified: 2026-06-17

Description

The kernel in Apple iOS before 8.3, Apple OS X before 10.10.3, and Apple TV before 7.2 makes routing changes in response to ICMP_REDIRECT messages, which allows remote attackers to cause a denial of service (network outage) or obtain sensitive packet-content information via a crafted ICMP packet.

Frequently asked questions

What is CVE-2015-1103?: The kernel in Apple iOS before 8.3, Apple OS X before 10.10.3, and Apple TV before 7.2 makes routing changes in response to ICMP_REDIRECT messages, which allows remote attackers to cause a denial of service (network outage) or obtain sensitive packet-content information via a crafted ICMP packet.
How severe is CVE-2015-1103?: CVE-2015-1103 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2015-1103 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-1103?: CVE-2015-1103 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-2015-1103?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2015-1103 published?: CVE-2015-1103 was published on 2015-04-10 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*

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