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Vulnerability record · CVE-1999-0084 · published 1 May 1990

CVE-1999-0084: Sun nfs improper privilege management vulnerability

Sun · Nfs

Certain NFS servers allow users to use mknod to gain privileges by creating a writable kmem device and setting the UID to 0.

8.4 CVSS 3.1 High EPSS 0.41% · top 66.7% CWE-269 · Improper privilege management
8.4CVSS 3.1 base score, v2 7.2
0.41%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
16 Jun 2026Last modified by NVD

Description

Certain NFS servers allow users to use mknod to gain privileges by creating a writable kmem device and setting the UID to 0.

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://exchange.xforce.ibmcloud.com/vulnerabilities/78
https://exchange.xforce.ibmcloud.com/vulnerabilities/78

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-1999-0169Sun nfs vulnerabilityNFS allows attackers to read and write any file on the system by specifying a false UID.EPSS 1.9%10.0CVE-1999-0165Sun nfs vulnerabilityNFS cache poisoning.EPSS 2.0%5.0CVE-1999-0166Sun nfs vulnerabilityNFS allows users to use a "cd .." command to access other directories besides the exported file system.EPSS 1.4%

Source: NIST National Vulnerability Database (record CVE-1999-0084), CISA KEV, FIRST EPSS (scores of 2026-10-07). This page is refreshed as NVD updates the record.