---
id: CVE-1999-0142
title: >-
  The Java Applet Security Manager implementation in Netscape Navigator 2.0 and
  Java Developer's Kit 1.0 allows an applet to connect to arbitrary hosts.
summary: >-
  The Java Applet Security Manager implementation in Netscape Navigator 2.0 and
  Java Developer's Kit 1.0 allows an applet to connect to arbitrary hosts.
severity: high
cvss: 7.5
cvssVector: 'AV:N/AC:L/Au:N/C:P/I:P/A:P'
published: '1996-03-01'
updated: '2026-06-16'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-1999-0142'
references:
  - url: 'https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0142'
    label: cve@mitre.org
  - url: 'https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0142'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.01577
epssPercentile: 0.74413
ingestedAt: '2026-06-22T15:59:08.064Z'
---

## Overview

The Java Applet Security Manager implementation in Netscape Navigator 2.0 and Java Developer's Kit 1.0 allows an applet to connect to arbitrary hosts.

## Remediation

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