HOMEVULNERABILITIESCVE-2000-0563
CRITICAL

CVE-2000-0563

NVD-CWE-OtherPublished: October 20, 2000· Updated: Jun 16, 2026

10.0
CVSS v3.1

Official Description

The URLConnection function in MacOS Runtime Java (MRJ) 2.1 and earlier and the Microsoft virtual machine (VM) for MacOS allows a malicious web site operator to connect to arbitrary hosts using a HTTP redirection, in violation of the Java security model.

NVD Source

Technical Analysis

CVE-2000-0563 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityC
IntegrityC
AvailabilityC
AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected Vendors & Products

Apple1 product(s)
mac os runtime for java
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (6)

Quick Facts

CVE IDCVE-2000-0563
CVSS Score10.0 / 10
SeverityCRITICAL
CISA KEVNo
Affected1 vendor(s)
PublishedOct 20, 2000

Related CVEs (NVD-CWE-Other)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2000-0563 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.