CVE-2005-0056

Ie vulnerability

CVSS

5.1

EPSS

28.3%

EPSS pct

98th

Exploited

No known

Internet Explorer 5.01, 5.5, and 6 does not properly validate certain URLs in Channel Definition Format (CDF) files, which allows remote attackers to obtain sensitive information or execute arbitrary code, aka the "Channel Definition Format (CDF) Cross Domain Vulnerability."

Affected vendor

Microsoft

Affected product

CVSS vector

AV:N/AC:H/Au:N/C:P/I:P/A:P

Published

2005-05-02

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, high attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality, partial impact to integrity, partial impact to availability.

Its EPSS score of 28.3% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2005-0056

Confirm whether Microsoft Ie is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2005-0056.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2005-0056

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2005-0056 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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