// For flags

CVE-1999-1021

 

Severity Score

7.8
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 1992-12-30 CVE Published
  • 2001-08-31 CVE Reserved
  • 2024-08-01 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Sun
Search vendor "Sun"
 Sunos
Search vendor "Sun" for product "Sunos"
 4.1
Search vendor "Sun" for product "Sunos" and version "4.1"
-
Affected
Sun
Search vendor "Sun"
 Sunos
Search vendor "Sun" for product "Sunos"
 4.1.1
Search vendor "Sun" for product "Sunos" and version "4.1.1"
-
Affected
Sun
Search vendor "Sun"
 Sunos
Search vendor "Sun" for product "Sunos"
 4.1.2
Search vendor "Sun" for product "Sunos" and version "4.1.2"
-
Affected