CVE-2003-0242

CVE-2003-0242 is a high-severity vulnerability in Apple Mac Os X 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.

Key facts

Description

IPSec in Mac OS X before 10.2.6 does not properly handle certain incoming security policies that match by port, which could allow traffic that is not explicitly allowed by the policies.

Frequently asked questions

What is CVE-2003-0242?
IPSec in Mac OS X before 10.2.6 does not properly handle certain incoming security policies that match by port, which could allow traffic that is not explicitly allowed by the policies.
How severe is CVE-2003-0242?
CVE-2003-0242 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2003-0242 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0242?
CVE-2003-0242 affects Apple Mac Os X. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2003-0242?
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-2003-0242 published?
CVE-2003-0242 was published on 2003-06-09 and last updated on 2026-06-16.

References

Affected products (1)

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