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.
CVE-2002-0321
NONECVSS 0.0
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 3%CVSS: —Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 87.0%
- KEV
- Not listed
Published
June 25, 2002
Last Modified
June 16, 2026
References (10)
- cve@mitrehttp://marc.info/?l=bugtraq&m=101439616623230&w=2
- cve@mitrehttp://www.cert.org/advisories/CA-2002-16.html
- cve@mitrehttp://www.iss.net/security_center/static/8267.php
- cve@mitrehttp://www.kb.cert.org/vuls/id/952875
- cve@mitrehttp://www.securityfocus.com/bid/4164
- af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=bugtraq&m=101439616623230&w=2
- af854a3a-2127-422b-91ae-364da2661108http://www.cert.org/advisories/CA-2002-16.html
- af854a3a-2127-422b-91ae-364da2661108http://www.iss.net/security_center/static/8267.php
- af854a3a-2127-422b-91ae-364da2661108http://www.kb.cert.org/vuls/id/952875
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/4164
Frequently asked(4)
What is CVE-2002-0321?
CVE-2002-0321 is a none vulnerability published on June 25, 2002. 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.
When was CVE-2002-0321 disclosed?
CVE-2002-0321 was first published in the National Vulnerability Database on June 25, 2002, with the most recent update on June 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2002-0321 actively exploited?
CVE-2002-0321 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 87.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2002-0321?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2002-0321, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2002-0321
Is Your Infrastructure Affected by CVE-2002-0321?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.