CVE-2003-1011

CVE-2003-1011 is a high-severity vulnerability in Apple Mac Os X with a CVSS 2.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Apple Mac OS X 10.0 through 10.2.8 allows local users with a USB keyboard to gain unauthorized access by holding down the CTRL and C keys when the system is booting, which crashes the init process and leaves the user in a root shell.

Frequently asked questions

What is CVE-2003-1011?
Apple Mac OS X 10.0 through 10.2.8 allows local users with a USB keyboard to gain unauthorized access by holding down the CTRL and C keys when the system is booting, which crashes the init process and leaves the user in a root shell.
How severe is CVE-2003-1011?
CVE-2003-1011 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2003-1011 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-1011?
CVE-2003-1011 primarily affects Apple Mac Os X. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-1011?
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-2003-1011 published?
CVE-2003-1011 was published on 2004-03-29 and last updated on 2026-06-16.

References

Affected products (20)

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