CVE-1999-0084 - Vulnerability Details - OpenCVE

Description

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

Published: 1999-09-29

Score: 8.4 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:sun:nfs:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-1999-0084	Certain NFS servers allow users to use mknod to gain privileges by creating a writable kmem device and setting the UID to 0.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.00146.

Exploitation none

Automatable no

Technical Impact total

References

Link	Providers
https://exchange.xforce.ibmcloud.com/vulnerabilities/78

History

Mon, 16 Feb 2026 15:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Subscriptions

Sun Nfs

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 1999-09-29T04:00:00.000Z

Updated: 2024-08-01T20:39:56.806Z

Reserved: 1999-06-07T00:00:00.000Z

Link: CVE-1999-0084

Vulnrichment

Updated: 2024-08-01T16:27:57.559Z

NVD

Status : Modified

Published: 1990-05-01T04:00:00.000

Modified: 2026-04-16T00:27:16.627

Link: CVE-1999-0084

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "Certain NFS servers allow users to use mknod to gain privileges by creating a writable kmem device and setting the UID to 0."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2005-11-02T10:00:00.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "nfs-mknod(78)", "tags": ["vdb-entry", "x_refsource_XF"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/78"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-1999-0084", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Certain NFS servers allow users to use mknod to gain privileges by creating a writable kmem device and setting the UID to 0."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "nfs-mknod(78)", "refsource": "XF", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/78"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-01T16:27:57.559Z"}, "title": "CVE Program Container", "references": [{"name": "nfs-mknod(78)", "tags": ["vdb-entry", "x_refsource_XF", "x_transferred"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/78"}]}, {"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-269", "lang": "en", "description": "CWE-269 Improper Privilege Management"}]}], "affected": [{"vendor": "sun", "product": "nfs", "cpes": ["cpe:2.3:a:sun:nfs:*:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "versions": [{"version": "0", "status": "affected", "lessThan": "4.1.3", "versionType": "custom"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.4, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2024-08-01T20:30:39.205373Z", "id": "CVE-1999-0084", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-08-01T20:39:56.806Z"}}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-1999-0084", "datePublished": "1999-09-29T04:00:00.000Z", "dateReserved": "1999-06-07T00:00:00.000Z", "dateUpdated": "2024-08-01T20:39:56.806Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/78", "name": "nfs-mknod(78)", "tags": ["vdb-entry", "x_refsource_XF", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-01T16:27:57.559Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.4, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-1999-0084", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2024-08-01T20:30:39.205373Z"}}}], "affected": [{"cpes": ["cpe:2.3:a:sun:nfs:*:*:*:*:*:*:*:*"], "vendor": "sun", "product": "nfs", "versions": [{"status": "affected", "version": "0", "lessThan": "4.1.3", "versionType": "custom"}], "defaultStatus": "unknown"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-269", "description": "CWE-269 Improper Privilege Management"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-08-01T20:34:01.143Z"}}], "cna": {"affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "references": [{"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/78", "name": "nfs-mknod(78)", "tags": ["vdb-entry", "x_refsource_XF"]}], "descriptions": [{"lang": "en", "value": "Certain NFS servers allow users to use mknod to gain privileges by creating a writable kmem device and setting the UID to 0."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "n/a"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2005-11-02T10:00:00.000Z"}, "x_legacyV4Record": {"affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"version": {"version_data": [{"version_value": "n/a"}]}, "product_name": "n/a"}]}, "vendor_name": "n/a"}]}}, "data_type": "CVE", "references": {"reference_data": [{"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/78", "name": "nfs-mknod(78)", "refsource": "XF"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "eng", "value": "Certain NFS servers allow users to use mknod to gain privileges by creating a writable kmem device and setting the UID to 0."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-1999-0084", "STATE": "PUBLIC", "ASSIGNER": "cve@mitre.org"}}}}, "cveMetadata": {"cveId": "CVE-1999-0084", "state": "PUBLISHED", "dateUpdated": "2024-08-01T20:39:56.806Z", "dateReserved": "1999-06-07T00:00:00.000Z", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "datePublished": "1999-09-29T04:00:00.000Z", "assignerShortName": "mitre"}, "dataVersion": "5.1"}