CVE-2005-0963

CVE-2005-0963 is a low-severity vulnerability in Toshiba Acpi Flash Bios 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.

Key facts

Description

An error in the Toshiba ACPI BIOS 1.6 causes the BIOS to only examine the first slot in the Master Boot Record (MBR) table for an active partition, which prevents the system from booting even though the MBR is not malformed. NOTE: it has been debated as to whether or not this issue poses a security vulnerability, since administrative privileges would be required, and other DoS attacks are possible with such privileges.

Frequently asked questions

What is CVE-2005-0963?
An error in the Toshiba ACPI BIOS 1.6 causes the BIOS to only examine the first slot in the Master Boot Record (MBR) table for an active partition, which prevents the system from booting even though the MBR is not malformed. NOTE: it has been debated as to whether or not this issue poses a security vulnerability, since administrative privileges would be required, and other DoS attacks are possible with such privileges.
How severe is CVE-2005-0963?
CVE-2005-0963 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2005-0963 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-0963?
CVE-2005-0963 affects Toshiba Acpi Flash Bios. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2005-0963?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2005-0963 published?
CVE-2005-0963 was published on 2005-05-02 and last updated on 2026-06-16.

References

Affected products (1)