CVE-1999-0420

umapfs allows local users to gain root privileges by changing their uid through a malicious mount_umap program.

CVSS v3.1

—

EPSS

0.40%

probability of exploitation in 30 days

CISA KEV

Not listed

no confirmed exploitation reported

News coverage

sources referencing this CVE

Connections

1 relationships

Timeline

disclosure → media coverage

Mar 17, 1999

Disclosure — published as a CVE record. · last revised by NVD Apr 16, 2026