Microsoft URLScan 2.5, with the RemoveServerHeader option enabled, allows remote attackers to obtain sensitive information (server name and version) via an HTTP request that generates certain errors such as 400 "Bad Request," which leak the Server header in the response
Published Oct 9, 2006
2.6
LOWCVSS 2.0
EPSS 1.28%
Description
Microsoft URLScan 2.5, with the RemoveServerHeader option enabled, allows remote attackers to obtain sensitive information (server name and version) via an HTTP request that generates certain errors such as 400 "Bad Request," which leak the Server header in the response.
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.
AV:N/AC:H/Au:N/C:P/I:N/A:N
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 (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.28% (0.01284) | 69.05th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.20% (0.01204) | 64.16th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.31% (0.00309) | 51.87th | v4 (v2025.03.14) |
| Dec 17, 2024 | 1.79% (0.01791) | 87.78th | v3 (v2023.03.01) |
| Dec 12, 2024 | 0.35% (0.00353) | 72.82th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.29% (0.00291) | 68.68th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.26% (0.00263) | 65.23th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.24% (0.00240) | 61.08th | v3 (v2023.03.01) |
| Aug 13, 2023 | 0.33% (0.00333) | 67.40th | v3 (v2023.03.01) |
| Jul 6, 2023 | 0.31% (0.00313) | 66.00th | v3 (v2023.03.01) |
| May 29, 2023 | 0.30% (0.00302) | 65.11th | v3 (v2023.03.01) |
| Apr 21, 2023 | 0.29% (0.00288) | 64.18th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.28% (0.00277) | 63.14th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
No CWE recorded.
References (3)
- http://archives.neohapsis.com/archives/sf/www-mobile/2003-q3/0021.html mailing-listx_refsource_MLISTExploit
- http://secunia.com/advisories/9194 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.osvdb.org/29370 vdb-entryx_refsource_OSVDBExploit
| Link | Providers | Tags |
|---|---|---|
| http://archives.neohapsis.com/archives/sf/www-mobile/2003-q3/0021.html | mailing-listx_refsource_MLISTExploit | |
| http://secunia.com/advisories/9194 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://www.osvdb.org/29370 | vdb-entryx_refsource_OSVDBExploit |
Change history (0)
No recorded changes yet.