CVE-2001-0904: n/a vulnerability

CVE-2001-0904: Internet Explorer 5.5 and 6 with the Q312461 (MS01-055) patch modifies the HTTP_USER_AGENT (UserAgent) info...

Internet Explorer 5.5 and 6 with the Q312461 (MS01-055) patch modifies the HTTP_USER_AGENT (UserAgent) information that indicates that the patch has been installed, which could allow remote malicious web sites to more easily identify and exploit vulnerable clients.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 8, 2024, 04:37 UTC (UTC+00:00)

Security readout for executives and security teams

This CVE describes an information-disclosure issue: Internet Explorer 5.5 and 6 clients with Microsoft's Q312461/MS01-055 patch could reveal patch status in the User-Agent header, helping malicious websites profile targets. It is not described as direct compromise by itself. Exposure is mainly legacy environments still allowing Internet Explorer 5.5 or 6 to browse untrusted websites. Modern standard desktop builds are unlikely to be affected unless obsolete systems remain in production or lab networks. Low for most organizations, but investigate if legacy Windows or Internet Explorer environments still exist. Treat findings as a modernization and exposure-reduction task, not an emergency patch event based on the provided sources. Mitigation focus: Inventory systems running Internet Explorer 5.5 or 6.; Retire or isolate obsolete Internet Explorer clients from internet browsing.; Review Microsoft guidance for Q312461/MS01-055-era systems if legacy support remains required..

Prepared: Jul 1, 2026, 08:27 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: Feb 2, 2002, 05:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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Source materials

CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

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Weakness

CWE details

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