CVE-2000-0439: n/a vulnerability

CVE-2000-0439: Internet Explorer 4.0 and 5.0 allows a malicious web site to obtain client cookies from another domain by i...

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.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 8, 2024, 05:21 UTC (UTC+00:00)

Security readout for executives and security teams

This old Internet Explorer flaw could let a malicious website read cookies belonging to another domain. Cookies often identify logged-in sessions, so exposure could enable account impersonation on legacy systems. The source bundle names Internet Explorer 4.0 and 5.0 and Microsoft advisory MS00-033. Exposure is mainly legacy: endpoints still using Internet Explorer 4.0 or 5.0, or environments preserving those browsers for old applications. Modern browsers are not named in the bundle. Low immediate priority for modern environments, but escalate if legacy Internet Explorer remains in regulated, privileged, or customer-facing workflows. The business risk is session exposure from obsolete clients. Mitigation focus: Review Microsoft MS00-033 and apply the vendor-directed update or workaround if still relevant.; Retire Internet Explorer 4.0 and 5.0 from business workflows.; Block legacy browser access to sensitive internal applications where retirement is not immediate..

Prepared: Jul 12, 2026, 03:20 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jul 12, 2000, 04:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
MS00-033CVE reference · vendor-advisory, x_refsource_MS
ie-cookie-disclosure(4447)CVE reference · vdb-entry, x_refsource_XF

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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