Microsoft IIS 5.0 and 5.1 allows remote attackers to cause a denial of service (CPU consumption) via an HTTP request with a Host header that contains a large number of "/" (forward slash) characters
Published Jun 28, 2005
5.0
MEDIUMCVSS 2.0
EPSS 13.68%
Description
Microsoft IIS 5.0 and 5.1 allows remote attackers to cause a denial of service (CPU consumption) via an HTTP request with a Host header that contains a large number of "/" (forward slash) characters.
Affected products
No data.
- 5.0
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 (21 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 13.68% (0.13678) | 96.38th | v5 (v2026.06.15) |
| Jul 29, 2026 | 13.68% (0.13678) | 96.10th | v5 (v2026.06.15) |
| Jul 26, 2026 | 15.04% (0.15042) | 96.37th | v5 (v2026.06.15) |
| Jun 15, 2026 | 13.68% (0.13678) | 95.99th | v5 (v2026.06.15) |
| May 23, 2026 | 14.41% (0.14413) | 94.51th | v4 (v2025.03.14) |
| Jul 27, 2025 | 11.49% (0.11486) | 93.29th | v4 (v2025.03.14) |
| Mar 19, 2025 | 14.41% (0.14413) | 93.61th | v4 (v2025.03.14) |
| Mar 17, 2025 | 17.70% (0.17700) | 94.60th | v4 (v2025.03.14) |
| Jan 3, 2025 | 11.04% (0.11035) | 95.12th | v3 (v2023.03.01) |
| Dec 17, 2024 | 8.11% (0.08106) | 94.31th | v3 (v2023.03.01) |
| Dec 12, 2024 | 0.79% (0.00786) | 82.15th | v3 (v2023.03.01) |
| May 24, 2024 | 1.08% (0.01084) | 84.29th | v3 (v2023.03.01) |
| May 10, 2024 | 0.91% (0.00905) | 82.66th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.74% (0.00739) | 80.60th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.72% (0.00722) | 80.17th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.65% (0.00654) | 78.80th | v3 (v2023.03.01) |
| Oct 18, 2023 | 0.83% (0.00826) | 80.01th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.25% (0.01249) | 83.39th | v3 (v2023.03.01) |
| Mar 6, 2023 | 11.68% (0.11676) | 95.15th | v2 (v2022.01.01) |
| Apr 1, 2022 | 11.68% (0.11676) | 94.76th | v2 (v2022.01.01) |
| Feb 4, 2022 | 11.68% (0.11676) | 88.93th | v2 (v2022.01.01) |
No CWE recorded.
References (3)
- http://www.iss.net/security_center/static/10370.php vdb-entryx_refsource_XF
- http://www.securiteam.com/windowsntfocus/6C00C1F5QA.html x_refsource_MISCPatch
- http://www.securityfocus.com/bid/5907 vdb-entryx_refsource_BIDExploit
| Link | Providers | Tags |
|---|---|---|
| http://www.iss.net/security_center/static/10370.php | vdb-entryx_refsource_XF | |
| http://www.securiteam.com/windowsntfocus/6C00C1F5QA.html | x_refsource_MISCPatch | |
| http://www.securityfocus.com/bid/5907 | vdb-entryx_refsource_BIDExploit |
Change history (0)
No recorded changes yet.