CVE-1999-0245 Auth bypass in n/a

What is CVE-1999-0245?

CVE-1999-0245 is a medium-severity authentication bypass vulnerability in Linux kernel, published on 29 Sep 1999. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Some configurations of NIS+ in Linux allowed attackers to log in as the user "+".

Which versions are affected by CVE-1999-0245?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-1999-0245?

No fix has been published for CVE-1999-0245 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-1999-0245 being exploited?

There is no known exploitation of CVE-1999-0245 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

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

Also known as GHSA-7cjv-527v-vh3p.