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
Published May 3, 2002
5.0
MEDIUMCVSS 2.0
EPSS 3.28%
Description
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.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:P/A:N
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
3.28% 0.03281
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.03281
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.28% (0.03281) | 88.03th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.28% (0.03281) | 86.79th | v5 (v2026.06.15) |
| Mar 30, 2025 | 2.33% (0.02330) | 83.39th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.61% (0.03608) | 79.42th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.33% (0.02330) | 83.72th | v4 (v2025.03.14) |
| Dec 17, 2024 | 3.21% (0.03206) | 90.99th | v3 (v2023.03.01) |
| May 3, 2024 | 1.31% (0.01313) | 85.83th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.31% (0.01313) | 83.83th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (5)
- http://marc.info/?l=bugtraq&m=101439616623230&w=2 mailing-listx_refsource_BUGTRAQ
- http://www.cert.org/advisories/CA-2002-16.html third-party-advisoryx_refsource_CERTUS Government Resource
- http://www.iss.net/security_center/static/8267.php vdb-entryx_refsource_XFPatchVendor Advisory
- http://www.kb.cert.org/vuls/id/952875 third-party-advisoryx_refsource_CERT-VNUS Government Resource
- http://www.securityfocus.com/bid/4164 vdb-entryx_refsource_BIDVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://marc.info/?l=bugtraq&m=101439616623230&w=2 | mailing-listx_refsource_BUGTRAQ | |
| http://www.cert.org/advisories/CA-2002-16.html | third-party-advisoryx_refsource_CERTUS Government Resource | |
| http://www.iss.net/security_center/static/8267.php | vdb-entryx_refsource_XFPatchVendor Advisory | |
| http://www.kb.cert.org/vuls/id/952875 | third-party-advisoryx_refsource_CERT-VNUS Government Resource | |
| http://www.securityfocus.com/bid/4164 | vdb-entryx_refsource_BIDVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published May 3, 2002
Updated Aug 8, 2024
Reserved May 1, 2002
Link CVE-2002-0321
CISA Vulnrichment
Updated n/a