CVE-1999-1021Sunos vulnerability

4 documents4 sources
Severity
7.2HIGHNVD
EPSS
0.1%
top 75.66%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedDec 30
Latest updateApr 16

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.

CVSS vector

AV:L/AC:L/C:C/I:C/A:CExploitability: 3.9 | Impact: 10.0

Affected Packages1 packages

NVDsun/sunos4.1, 4.1.1, 4.1.2+2

Patches

🔴Vulnerability Details

3
VulDB
Sun SunOS 4.1/4.1.1/4.1.2 NFS uid Local Privilege Escalation (CA-1992-15 / XFDB-82)2026-04-16
GHSA
GHSA-5xf6-9pfj-rr6g: NFS on SunOS 42022-04-30
CVEList
CVE-1999-1021: NFS on SunOS 42002-03-09
CVE-1999-1021 — SUN Sunos vulnerability | cvebase