Microsoft MSN Messenger Service 1.0 through 4.6 allows remote attackers to cause a denial of service (crash) via an invite request that contains hex-encoded spaces (%20) in the Invitation-Cookie field
Published Jun 28, 2005
5.0
MEDIUMCVSS 2.0
EPSS 22.26%
Description
Microsoft MSN Messenger Service 1.0 through 4.6 allows remote attackers to cause a denial of service (crash) via an invite request that contains hex-encoded spaces (%20) in the Invitation-Cookie field.
Affected products
No data.
- 1.0
- 2.0
- 2.2
- 3.0
- 3.6
- 4.0
- 4.5
- 4.6
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
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.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
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 (24 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 22.26% (0.22260) | 97.61th | v5 (v2026.06.15) |
| Jun 15, 2026 | 22.83% (0.22830) | 97.44th | v5 (v2026.06.15) |
| Oct 24, 2025 | 10.37% (0.10369) | 92.85th | v4 (v2025.03.14) |
| Jul 27, 2025 | 11.65% (0.11651) | 93.35th | v4 (v2025.03.14) |
| Jun 15, 2025 | 9.64% (0.09639) | 92.47th | v4 (v2025.03.14) |
| Apr 22, 2025 | 12.54% (0.12543) | 93.53th | v4 (v2025.03.14) |
| Mar 30, 2025 | 16.13% (0.16129) | 94.24th | v4 (v2025.03.14) |
| Mar 29, 2025 | 34.96% (0.34957) | 95.40th | v4 (v2025.03.14) |
| Mar 19, 2025 | 16.13% (0.16129) | 94.00th | v4 (v2025.03.14) |
| Mar 17, 2025 | 17.30% (0.17304) | 94.53th | v4 (v2025.03.14) |
| Jan 3, 2025 | 5.14% (0.05144) | 92.86th | v3 (v2023.03.01) |
| Sep 17, 2024 | 7.64% (0.07642) | 94.29th | v3 (v2023.03.01) |
| Jul 22, 2024 | 43.94% (0.43937) | 97.41th | v3 (v2023.03.01) |
| May 24, 2024 | 42.09% (0.42089) | 97.32th | v3 (v2023.03.01) |
| May 10, 2024 | 38.12% (0.38124) | 97.19th | v3 (v2023.03.01) |
| Apr 25, 2024 | 33.81% (0.33810) | 97.02th | v3 (v2023.03.01) |
| Apr 12, 2024 | 30.39% (0.30388) | 96.87th | v3 (v2023.03.01) |
| Mar 15, 2024 | 26.60% (0.26604) | 96.63th | v3 (v2023.03.01) |
| Feb 8, 2024 | 25.08% (0.25081) | 96.51th | v3 (v2023.03.01) |
| Oct 18, 2023 | 8.39% (0.08392) | 93.67th | v3 (v2023.03.01) |
| Mar 7, 2023 | 14.12% (0.14115) | 94.77th | v3 (v2023.03.01) |
| Mar 6, 2023 | 21.00% (0.20999) | 96.55th | v2 (v2022.01.01) |
| Apr 1, 2022 | 21.00% (0.20999) | 96.23th | v2 (v2022.01.01) |
| Feb 4, 2022 | 21.00% (0.20999) | 94.12th | v2 (v2022.01.01) |
No CWE recorded.
References (3)
- http://online.securityfocus.com/archive/1/274086 mailing-listx_refsource_BUGTRAQ
- http://www.iss.net/security_center/static/9161.php vdb-entryx_refsource_XF
- http://www.securityfocus.com/bid/4827 vdb-entryx_refsource_BIDExploit
| Link | Providers | Tags |
|---|---|---|
| http://online.securityfocus.com/archive/1/274086 | mailing-listx_refsource_BUGTRAQ | |
| http://www.iss.net/security_center/static/9161.php | vdb-entryx_refsource_XF | |
| http://www.securityfocus.com/bid/4827 | vdb-entryx_refsource_BIDExploit |
Change history (0)
No recorded changes yet.