What’s Vulnerable › Vulnerabilities

CVE-1999-1393

• Severity: medium (CVSS 4.6 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 1999-05-21 · updated 2026-06-16

Description

Control Panel "Password Security" option for Apple Powerbooks allows attackers with physical access to the machine to bypass the security by booting it with an emergency startup disk and using a disk editor to modify the on/off toggle or password in the aaaaaaaAPWD file, which is normally inaccessible.

Affected products

• Apple macOS: 8.5, 8.6

References

• http://freaky.staticusers.net/macsec/data/powerbooksecurity-data.html
• http://www.securityfocus.com/bid/532
• http://freaky.staticusers.net/macsec/data/powerbooksecurity-data.html
• http://www.securityfocus.com/bid/532

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