LOW
IIS 4.0 allows remote attackers to obtain the internal IP address of the server via an HTTP 1.0 request for a web page which is protected by basic authentication and has no realm defined
Published Aug 3, 2000
2.6
LOWCVSS 2.0
EPSS 76.56%
Description
IIS 4.0 allows remote attackers to obtain the internal IP address of the server via an HTTP 1.0 request for a web page which is protected by basic authentication and has no realm defined.
Affected products
No data.
OR
- 3.0
- 4.0
- 2.0
- 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.
2.6 LOW NVD
AV:N/AC:H/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity High
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
76.56% 0.76558
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.76558
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 (52 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 76.56% (0.76558) | 99.53th | v5 (v2026.06.15) |
| Jul 29, 2026 | 76.56% (0.76558) | 99.49th | v5 (v2026.06.15) |
| Jul 26, 2026 | 78.57% (0.78571) | 99.54th | v5 (v2026.06.15) |
| Jun 15, 2026 | 77.08% (0.77076) | 99.49th | v5 (v2026.06.15) |
| Mar 4, 2026 | 62.99% (0.62987) | 98.35th | v4 (v2025.03.14) |
| Mar 1, 2026 | 65.16% (0.65163) | 98.46th | v4 (v2025.03.14) |
| Feb 4, 2026 | 62.99% (0.62987) | 98.33th | v4 (v2025.03.14) |
| Feb 1, 2026 | 65.16% (0.65163) | 98.43th | v4 (v2025.03.14) |
| Jan 4, 2026 | 62.99% (0.62987) | 98.31th | v4 (v2025.03.14) |
| Jan 1, 2026 | 65.16% (0.65163) | 98.42th | v4 (v2025.03.14) |
| Dec 4, 2025 | 62.99% (0.62987) | 98.29th | v4 (v2025.03.14) |
| Dec 1, 2025 | 65.16% (0.65163) | 98.40th | v4 (v2025.03.14) |
| Nov 4, 2025 | 62.99% (0.62987) | 98.30th | v4 (v2025.03.14) |
| Nov 1, 2025 | 65.16% (0.65163) | 98.40th | v4 (v2025.03.14) |
| Oct 27, 2025 | 62.07% (0.62067) | 98.27th | v4 (v2025.03.14) |
| Oct 4, 2025 | 63.66% (0.63657) | 98.35th | v4 (v2025.03.14) |
| Oct 1, 2025 | 65.80% (0.65803) | 98.46th | v4 (v2025.03.14) |
| Sep 4, 2025 | 62.75% (0.62749) | 98.33th | v4 (v2025.03.14) |
| Sep 1, 2025 | 64.94% (0.64935) | 98.42th | v4 (v2025.03.14) |
| Aug 6, 2025 | 62.75% (0.62749) | 98.30th | v4 (v2025.03.14) |
| Aug 1, 2025 | 64.94% (0.64935) | 98.40th | v4 (v2025.03.14) |
| Jul 27, 2025 | 63.66% (0.63657) | 98.31th | v4 (v2025.03.14) |
| Jul 17, 2025 | 62.02% (0.62025) | 98.24th | v4 (v2025.03.14) |
| Jul 4, 2025 | 58.74% (0.58744) | 98.09th | v4 (v2025.03.14) |
| Jul 1, 2025 | 67.85% (0.67849) | 98.50th | v4 (v2025.03.14) |
| Jun 13, 2025 | 58.74% (0.58744) | 98.08th | v4 (v2025.03.14) |
| Jun 4, 2025 | 61.85% (0.61851) | 98.21th | v4 (v2025.03.14) |
| Jun 1, 2025 | 70.41% (0.70412) | 98.59th | v4 (v2025.03.14) |
| May 31, 2025 | 61.85% (0.61851) | 98.22th | v4 (v2025.03.14) |
| May 26, 2025 | 55.32% (0.55323) | 97.90th | v4 (v2025.03.14) |
| May 23, 2025 | 61.33% (0.61334) | 98.19th | v4 (v2025.03.14) |
| May 4, 2025 | 42.36% (0.42363) | 97.25th | v4 (v2025.03.14) |
| May 1, 2025 | 53.11% (0.53114) | 97.80th | v4 (v2025.03.14) |
| Apr 23, 2025 | 42.36% (0.42363) | 97.24th | v4 (v2025.03.14) |
| Apr 15, 2025 | 34.90% (0.34903) | 96.74th | v4 (v2025.03.14) |
| Apr 3, 2025 | 28.87% (0.28865) | 96.17th | v4 (v2025.03.14) |
| Apr 2, 2025 | 39.05% (0.39046) | 96.99th | v4 (v2025.03.14) |
| Mar 30, 2025 | 28.87% (0.28865) | 96.16th | v4 (v2025.03.14) |
| Mar 29, 2025 | 51.78% (0.51777) | 96.93th | v4 (v2025.03.14) |
| Mar 28, 2025 | 28.87% (0.28865) | 96.15th | v4 (v2025.03.14) |
| Mar 27, 2025 | 51.78% (0.51777) | 97.54th | v4 (v2025.03.14) |
| Mar 26, 2025 | 61.85% (0.61850) | 98.19th | v4 (v2025.03.14) |
| Mar 24, 2025 | 51.78% (0.51777) | 97.68th | v4 (v2025.03.14) |
| Mar 22, 2025 | 61.85% (0.61850) | 98.22th | v4 (v2025.03.14) |
| Mar 21, 2025 | 51.78% (0.51777) | 97.71th | v4 (v2025.03.14) |
| Mar 20, 2025 | 61.85% (0.61850) | 98.22th | v4 (v2025.03.14) |
| Mar 17, 2025 | 51.78% (0.51777) | 97.64th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.36% (0.00360) | 73.11th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.36% (0.00360) | 71.45th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.36% (0.00360) | 67.83th | v3 (v2023.03.01) |
| Mar 6, 2023 | 33.92% (0.33924) | 97.69th | v2 (v2022.01.01) |
| Feb 4, 2022 | 33.92% (0.33924) | 96.65th | v2 (v2022.01.01) |
Weaknesses (1)
References (2)
- http://archives.neohapsis.com/archives/ntbugtraq/2000-q3/0025.html mailing-listx_refsource_NTBUGTRAQExploitPatchVendor Advisory
- http://www.securityfocus.com/bid/1499 vdb-entryx_refsource_BIDExploitPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://archives.neohapsis.com/archives/ntbugtraq/2000-q3/0025.html | mailing-listx_refsource_NTBUGTRAQExploitPatchVendor Advisory | |
| http://www.securityfocus.com/bid/1499 | vdb-entryx_refsource_BIDExploitPatchVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Aug 3, 2000
Updated Aug 8, 2024
Reserved Aug 2, 2000
Link CVE-2000-0649
CISA Vulnrichment
Updated n/a