CVE-1999-1021

CVSS 7.2 - HIGH
Description

NFS on SunOS 4.1 through 4.1.2 ignores the high order 16 bits in a 32 bit UID, which allows a local user to gain root access if the lower 16 bits are set to 0, as fixed by the NFS jumbo patch upgrade.

Affected Products
3
Vendor Product Version
sun sunos 4.1
sun sunos 4.1.1
sun sunos 4.1.2
Weakness Types
NVD-CWE-Other
CVE Information
CVE ID:
CVE-1999-1021
Published:
1992-12-30
Modified:
2026-04-16
CVSS Score:
7.2
Severity:
HIGH
Vector:
AV:L/AC:L/Au:N/C:C/I:C/A:C
Affected Vendors
sun
Quick Actions
CVSS Severity Scale
0.0 - 3.9 LOW
4.0 - 6.9 MEDIUM
7.0 - 8.9 HIGH
9.0 - 10.0 CRITICAL