---
id: CVE-1999-0170
title: >-
  Remote attackers can mount an NFS file system in Ultrix or OSF, even if it is
  denied on the access list.
summary: >-
  Remote attackers can mount an NFS file system in Ultrix or OSF, even if it is
  denied on the access list.
severity: high
cvss: 7.5
cvssVector: 'AV:N/AC:L/Au:N/C:P/I:P/A:P'
published: '1997-01-01'
updated: '2026-06-16'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-1999-0170'
references:
  - url: 'https://www.cve.org/CVERecord?id=CVE-1999-0170'
    label: cve@mitre.org
  - url: 'https://www.cve.org/CVERecord?id=CVE-1999-0170'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
  - exploit-available
epss: 0.18745
epssPercentile: 0.97146
ingestedAt: '2026-06-22T15:59:08.154Z'
exploits:
  metasploit:
    - auxiliary/scanner/nfs/nfsmount
  checkedAt: '2026-09-23T07:13:14.625Z'
exploitAvailable: true
---

## Overview

Remote attackers can mount an NFS file system in Ultrix or OSF, even if it is denied on the access list.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.