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CVE-2002-0321

Yahoo! Messenger 5.0 allows remote attackers to spoof other users by modifying the username and...

5.0 Medium

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

3.28%Up 2.1 points since Feb 4, 2022
90%50%10%1%

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 MediumAV: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

History
RecordedChangedSources
aliasesEUVD
first indexedCVE 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.

References

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