CVE-2001-0904

View on CVE.org

Published Feb 2, 2002 CVSS 2.0 · 5.0 Medium EPSS 7.0% KEV · Not listed

Description

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

OR	cpe:2.3:a:microsoft:internet_explorer:5.5:::::::*
	cpe:2.3:a:microsoft:internet_explorer:6.0:::::::*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available

Metrics

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: 7.0% (7.012% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
http://marc.info/?l=bugtraq&m=100619268115798&w=2
http://www.iss.net/security_center/static/7581.php
http://www.securityfocus.com/bid/3556

History

No history.

Subscriptions

Microsoft Internet Explorer

Weaknesses

NVD-CWE-Other

Sources

CVE record Updated: Aug 8, 2024, 4:37 AM

Status: PUBLISHED
Assigner: mitre
Published: Feb 2, 2002, 5:00 AM
Updated: Aug 8, 2024, 4:37 AM
Reserved: Jan 31, 2002, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 16, 2026, 9:55 PM

Status: Modified
Published: Nov 20, 2001, 5:00 AM
Modified: Jun 16, 2026, 9:55 PM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2001-11-20T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2016-10-17T13:57:01.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "ie-q312461-patch-existence(7581)", "tags": ["vdb-entry", "x_refsource_XF"], "url": "http://www.iss.net/security_center/static/7581.php"}, {"name": "20011120 MSIE 5.5/6 Q312461 patch disclose patch information", "tags": ["mailing-list", "x_refsource_BUGTRAQ"], "url": "http://marc.info/?l=bugtraq&m=100619268115798&w=2"}, {"name": "3556", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/3556"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2001-0904", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "ie-q312461-patch-existence(7581)", "refsource": "XF", "url": "http://www.iss.net/security_center/static/7581.php"}, {"name": "20011120 MSIE 5.5/6 Q312461 patch disclose patch information", "refsource": "BUGTRAQ", "url": "http://marc.info/?l=bugtraq&m=100619268115798&w=2"}, {"name": "3556", "refsource": "BID", "url": "http://www.securityfocus.com/bid/3556"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-08T04:37:06.812Z"}, "title": "CVE Program Container", "references": [{"name": "ie-q312461-patch-existence(7581)", "tags": ["vdb-entry", "x_refsource_XF", "x_transferred"], "url": "http://www.iss.net/security_center/static/7581.php"}, {"name": "20011120 MSIE 5.5/6 Q312461 patch disclose patch information", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "http://marc.info/?l=bugtraq&m=100619268115798&w=2"}, {"name": "3556", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/3556"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2001-0904", "datePublished": "2002-02-02T05:00:00.000Z", "dateReserved": "2002-01-31T00:00:00.000Z", "dateUpdated": "2024-08-08T04:37:06.812Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:internet_explorer:5.5:*:*:*:*:*:*:*", "matchCriteriaId": "40F8042F-C621-45AE-9F8C-70469579643A", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:internet_explorer:6.0:*:*:*:*:*:*:*", "matchCriteriaId": "A19F6133-25D1-44A5-B6B9-354703436783", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2001-0904", "lastModified": "2026-06-16T21:55:11.760", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2001-11-20T05:00:00.000", "references": [{"source": "cve@mitre.org", "url": "http://marc.info/?l=bugtraq&m=100619268115798&w=2"}, {"source": "cve@mitre.org", "url": "http://www.iss.net/security_center/static/7581.php"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/bid/3556"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://marc.info/?l=bugtraq&m=100619268115798&w=2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.iss.net/security_center/static/7581.php"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/3556"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}