CVE-1999-1077 Auth bypass in n/a

What is CVE-1999-1077?

CVE-1999-1077 is a medium-severity authentication bypass vulnerability in Apple Macos, published on 12 Sep 2001. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Idle locking function in MacOS 9 allows local attackers to bypass the password protection of idled sessions via the programmer's switch or CMD-PWR keyboard sequence, which brings up a debugger that the attacker can use to disable the lock.

Which versions are affected by CVE-1999-1077?

It affects 1 product.

Products include Apple Macos.

How do I fix CVE-1999-1077?

No fix has been published for CVE-1999-1077 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-1999-1077 being exploited?

There is no known exploitation of CVE-1999-1077 in the wild and no public exploit code.

Other vulnerabilities in Apple Macos

• CVE-2026-65400 Apple macOS Improper Authentication Exploited Critical 9.8
• CVE-2024-44146 Security feature bypass in macOS Critical 10.0
• CVE-2024-44148 Security feature bypass in macOS Critical 10.0
• CVE-2023-38586 Security feature bypass in macOS Critical 10.0
• CVE-2023-40455 Security feature bypass in macOS Critical 10.0

All Apple Macos vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-j4pc-g7pq-p2h7.