CVE-2000-0649

NONECVSS 0.0Weaponized

0.0

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.

CVSS v3: —
EG Score: —
EPSS: 98.4%
KEV: Not listed

Published

July 13, 2000

Last Modified

April 16, 2026

References (4)

cve@mitrehttp://archives.neohapsis.com/archives/ntbugtraq/2000-q3/0025.html
cve@mitrehttp://www.securityfocus.com/bid/1499
af854a3a-2127-422b-91ae-364da2661108http://archives.neohapsis.com/archives/ntbugtraq/2000-q3/0025.html
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/1499

Data Freshness Timeline

(refreshed 8× in last 7d / 11× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-18 21:29 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Publicly available exploits

(3 references)

Working exploit code is in the public domain (1 Metasploit module) (1 GitHub PoC) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

GitHub PoCrafaelh/CVE-2000-0649
First seen Feb 11, 2021
Test for CVE-2000-0649, and return an IP address if vulnerable
Open source ↗
Exploit-DBEDB-20096✓ verified
First seen Jul 13, 2000
Microsoft IIS 2.0/3.0/4.0/5.0/5.1 - Internal IP Address Disclosure
Open source ↗
Metasploitauxiliary/scanner/http/iis_internal_ip✓ verified
First seen Jan 1, 2000
Microsoft IIS HTTP Internal IP Disclosure
Open source ↗

Frequently asked(4)

What is CVE-2000-0649?

CVE-2000-0649 is a none vulnerability published on July 13, 2000. 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.

When was CVE-2000-0649 disclosed?

CVE-2000-0649 was first published in the National Vulnerability Database on July 13, 2000, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2000-0649 actively exploited?

CVE-2000-0649 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 98.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2000-0649?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2000-0649, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2000-0649

📅 Published

🔄 Last Modified

🔗 References (4)