CVE-2000-0649
IIS 4.0 allows remote attackers to obtain the internal IP address of the server via an HTTP 1.0...
CVE-2000-0649 is a low vulnerability (CVSS 2.6) in Microsoft Internet Information Server, published July 13, 2000. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 76.6%, the 99th percentile. No source names a fixed version.
- Severity
- 2.6 LowCVSS 2.0, NVD
- Exploit chance
- 76.6%EPSS, 99th percentile
- Exploitation
- None known5 public exploits
- Fixed in
- No fix listedNo source names one
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.
Exploit likelihood
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Microsoft IIS 2.0/3.0/4.0/5.0/5.1 - Internal IP Address Disclosure | 2000-07-13 |
| PoC in GitHub | rafaelh/CVE-2000-0649 | 2021-02-11 |
| PoC in GitHub | stevenvegar/cve-2000-0649 | 2021-10-25 |
| PoC in GitHub | Downgraderz/PoC-CVE-2000-0649 | 2024-06-18 |
| Metasploit | Microsoft IIS HTTP Internal IP Disclosure |
What each source reports
NVD Score used 2.6
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.
- Record
CVE-2000-0649- CVSS 2.0
- 2.6 Low
AV:N/AC:H/Au:N/C:P/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
CVE ListNo score
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.
- Record
CVE-2000-0649- Updated
- 2026-11-02
EUVDEUVD-2000-0645No score
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.
- Record
EUVD-2000-0645- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rv5h-jg6x-f3vpNo score
IIS 4.0 allows remote attackers to obtain the internal IP address of the server via an HTTP 1.0...
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.
- Record
GHSA-rv5h-jg6x-f3vp- Weakness
- CWE-200
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| exploits, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, Metasploit, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.