CVE-1999-0420
umapfs allows local users to gain root privileges by changing their uid through a malicious...
umapfs allows local users to gain root privileges by changing their uid through a malicious mount_umap program.
Exploit likelihood
What each source reports
NVD Score used
umapfs allows local users to gain root privileges by changing their uid through a malicious mount_umap program.
- Record
CVE-1999-0420- CVSS 2.0
- 7.2 High
AV:L/AC:L/Au:N/C:C/I:C/A:C - Updated
- 2026-11-02
CVE List No score
umapfs allows local users to gain root privileges by changing their uid through a malicious mount_umap program.
- Record
CVE-1999-0420- Updated
- 2026-11-02
EUVDEUVD-1999-0420 No score
umapfs allows local users to gain root privileges by changing their uid through a malicious mount_umap program.
- Record
EUVD-1999-0420- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-637m-9vgx-w22q No score
umapfs allows local users to gain root privileges by changing their uid through a malicious...
umapfs allows local users to gain root privileges by changing their uid through a malicious mount_umap program.
- Record
GHSA-637m-9vgx-w22q- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-1999-0420 is a high vulnerability (CVSS 7.2) in Netbsd Umapfs, published March 17, 1999. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.40%, the 34th percentile. No source names a fixed version.