When was CVE-2000-0439 disclosed?

CVE-2000-0439 was first published in the National Vulnerability Database on May 11, 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-2000-0439 actively exploited?

CVE-2000-0439 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 94.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2000-0439?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2000-0439, 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.

CVE-2000-0439

NONECVSS 0.0

0.0

Internet Explorer 4.0 and 5.0 allows a malicious web site to obtain client cookies from another domain by including that domain name and escaped characters in a URL, aka the "Unauthorized Cookie Access" vulnerability.

CVSS v3: —
EG Score: —
EPSS: 94.7%
KEV: Not listed

References (12)

cve@mitrehttp://www.osvdb.org/1326
cve@mitrehttp://www.securityfocus.com/bid/1194
cve@mitrehttp://www.securityfocus.com/templates/archive.pike?list=1&msg=20000511135609.D7774%40securityfocus.com
cve@mitrehttp://www.securityfocus.com/templates/archive.pike?list=1&msg=NDBBKGHPMKBKDDGLDEEHAEHMDIAA.rms2000%40bellatlantic.net
cve@mitrehttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-033
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/4447
af854a3a-2127-422b-91ae-364da2661108http://www.osvdb.org/1326
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/1194
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/templates/archive.pike?list=1&msg=20000511135609.D7774%40securityfocus.com
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/templates/archive.pike?list=1&msg=NDBBKGHPMKBKDDGLDEEHAEHMDIAA.rms2000%40bellatlantic.net
af854a3a-2127-422b-91ae-364da2661108https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-033
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/4447

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CVE-2000-0439

Published

Last Modified

References (12)

Data Freshness Timeline

Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2000-0439?

CVE-2000-0439

📅 Published

🔄 Last Modified

🔗 References (12)

Data Freshness Timeline

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2000-0439?

Published

Last Modified

References (12)

Frequently asked(4)