CVE-2000-0649

lowpriority · attend · 47EPSS 0.766 · 100 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

5 exploits · functional

Likely / severe?

76.6% (100th) EPSS

CVSS 2.6 · low

Is it mine?

5 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

2.6

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.02.6lowAV:N/AC:H/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 4.9 · impact 2.9

v2.02.6lowAV:N/AC:H/Au:N/C:P/I:N/A:N/E:Hsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-200USprimary

exploits (5)

Public proof-of-concept and weaponised exploit code.

EDB-20096Microsoft IIS 2.0/3.0/4.0/5.0/5.1 - Internal IP Address Disclosurefunctional · exploit_db
auxiliary/scanner/http/iis_internal_ipMicrosoft IIS HTTP Internal IP Disclosurefunctional · metasploit
Downgraderz/PoC-CVE-2000-0649A small tool to create a PoC for CVE-2000-0649.PoC · poc_in_github
rafaelh/CVE-2000-0649Test for CVE-2000-0649, and return an IP address if vulnerablePoC · poc_in_github
stevenvegar/cve-2000-0649Script fo testing CVE-2000-0649 for Apache and MS IIS serversPoC · poc_in_github

affected products (5)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
microsoft internet information server= 3.0nvdUScpe:2.3:a:microsoft:internet_information_server:*:*:*:*:*:*:*:*
microsoft internet information server= 4.0nvdUScpe:2.3:a:microsoft:internet_information_server:*:*:*:*:*:*:*:*
microsoft internet information services= 2.0nvdUScpe:2.3:a:microsoft:internet_information_services:*:*:*:*:*:*:*:*
microsoft internet information services= 5.0nvdUScpe:2.3:a:microsoft:internet_information_services:*:*:*:*:*:*:*:*

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 2000-07-13modified 2026-06-16

related (19,397)

Related entries.

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A vulnerability in the API of Cisco Catalyst SD-WAN Manager could allow an authenticated, remote attacker to overwrite arbitrary files on the local file system. To exploit this vul…
CVE-2025-68686US	—OT critical	29.5% (98th)	KEV	2026-02-10
An Exposure of Sensitive Information to an Unauthorized Actor vulnerability [CWE-200] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.1, FortiOS 7.4.0 through 7.4.6, FortiOS 7.…
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Exposure of sensitive information to an unauthorized actor in Desktop Windows Manager allows an authorized attacker to disclose information locally.

+19392 more

references (4)

External citations — patches, advisories, analysis.

http://archives.neohapsis.com/archives/ntbugtraq/2000-q3/0025.html enisa_euvd
http://www.securityfocus.com/bid/1499 enisa_euvd
http://archives.neohapsis.com/archives/ntbugtraq/2000-q3/0025.htmlExploitPatchVendor Advisorynvd
http://www.securityfocus.com/bid/1499ExploitPatchVendor Advisorynvd

scry

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