Vulnerability Report

CVE-2002-0321

Title: Yahoo! Messenger username spoofing for social engineering/flooding

DoS

Proof Of Concept

No public PoC currently indexed for CVE-2002-0321.

CWE Category NVD-CWE-noinfo

Published Date Jun 25, 2002

Modified Date Jun 16, 2026

Exploit Status Not Found

Score 5.0 CVSS v2.0

Exploit Probability (EPSS)

3.28%

Vulnerability Summary

CVE-2002-0321: Yahoo! Messenger 5.0 allows remote attackers to spoof other users by modifying the username and using the spoofed username for social engineering or denial of service (flooding) attacks.

Impacted Vendors

yahoo 1

relatedcode 1

Reference Links

http://marc.info/?l=bugtraq&m=101439616623230&w=2 http://www.cert.org/advisories/CA-2002-16.html http://www.iss.net/security_center/static/8267.php http://www.kb.cert.org/vuls/id/952875 http://www.securityfocus.com/bid/4164 http://marc.info/?l=bugtraq&m=101439616623230&w=2 http://www.cert.org/advisories/CA-2002-16.html http://www.iss.net/security_center/static/8267.php http://www.kb.cert.org/vuls/id/952875 http://www.securityfocus.com/bid/4164

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

5.0

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:N/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2002-0321 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 03, 2025 MODIFIED

Vulnerability data or affected products updated.

June 25, 2002 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:N/AC:L/Au:N/C:N/I:P/A:N

Affected Stack

No specific products linked.