CVE-2002-0321
Yahoo! Messenger 5.0 allows remote attackers to spoof other users by modifying the username and...
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.
Exploit likelihood
What each source reports
NVD Score used
5.0
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.
- Record
CVE-2002-0321- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2002-0321- Updated
- 2026-11-02
EUVDEUVD-2002-0318 No score
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.
- Record
EUVD-2002-0318- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-j7rx-r49h-mc24 No score
Yahoo! Messenger 5.0 allows remote attackers to spoof other users by modifying the username and...
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.
- Record
GHSA-j7rx-r49h-mc24- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2002-0321 is a medium vulnerability (CVSS 5.0) in Yahoo Messenger, published May 3, 2002. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.28%, the 88th percentile. No source names a fixed version.