CVE-2001-1184 - Vulnerability Details - OpenCVE

Description

wrshdsp.exe in Denicomp Winsock RSHD/NT 2.21.00 and earlier allows remote attackers to cause a denial of service (CPU consumption) via (1) in 2.20.00 and earlier, an invalid port number such as a negative number, which causes a connection attempt to that port and all ports below 1024, and (2) in 2.21.00, a port number of 1024.

Published: 2002-03-15

Score: 5.0 Medium

EPSS: 3.5% Low

KEV: No

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

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:denicomp:winsock_rshd_nt:2.20:::::::*
	cpe:2.3:a:denicomp:winsock_rshd_nt:2.21:::::::*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.03501.

Exploitation none

Automatable yes

Technical Impact partial

References

Link	Providers
http://online.securityfocus.com/archive/1/245405
http://www.denicomp.com/rshdnt.htm
http://www.iss.net/security_center/static/7694.php
http://www.securityfocus.com/archive/1/244580
http://www.securityfocus.com/bid/3659

History

Fri, 09 Oct 2026 21:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Denicomp Winsock Rshd Nt

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2002-03-15T05:00:00.000Z

Updated: 2026-10-09T18:49:05.583Z

Reserved: 2002-03-15T00:00:00.000Z

Link: CVE-2001-1184

Vulnrichment

Updated: 2024-08-08T04:44:08.286Z

NVD

Status : Modified

Published: 2001-12-08T05:00:00.000

Modified: 2026-10-09T19:16:40.053

Link: CVE-2001-1184

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

NVD-CWE-Other

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2001-12-08T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "wrshdsp.exe in Denicomp Winsock RSHD/NT 2.21.00 and earlier allows remote attackers to cause a denial of service (CPU consumption) via (1) in 2.20.00 and earlier, an invalid port number such as a negative number, which causes a connection attempt to that port and all ports below 1024, and (2) in 2.21.00, a port number of 1024."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2002-03-22T10:00:00.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "20011208 Winsock RSHD/NT 2.20.00 CPU overusage when invalid data is send", "tags": ["mailing-list", "x_refsource_BUGTRAQ"], "url": "http://www.securityfocus.com/archive/1/244580"}, {"name": "3659", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/3659"}, {"name": "20011213 WRSHDNT 2.21.00 CPU overusage", "tags": ["mailing-list", "x_refsource_BUGTRAQ"], "url": "http://online.securityfocus.com/archive/1/245405"}, {"name": "winsock-rshdnt-error-dos(7694)", "tags": ["vdb-entry", "x_refsource_XF"], "url": "http://www.iss.net/security_center/static/7694.php"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://www.denicomp.com/rshdnt.htm"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2001-1184", "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": "wrshdsp.exe in Denicomp Winsock RSHD/NT 2.21.00 and earlier allows remote attackers to cause a denial of service (CPU consumption) via (1) in 2.20.00 and earlier, an invalid port number such as a negative number, which causes a connection attempt to that port and all ports below 1024, and (2) in 2.21.00, a port number of 1024."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "20011208 Winsock RSHD/NT 2.20.00 CPU overusage when invalid data is send", "refsource": "BUGTRAQ", "url": "http://www.securityfocus.com/archive/1/244580"}, {"name": "3659", "refsource": "BID", "url": "http://www.securityfocus.com/bid/3659"}, {"name": "20011213 WRSHDNT 2.21.00 CPU overusage", "refsource": "BUGTRAQ", "url": "http://online.securityfocus.com/archive/1/245405"}, {"name": "winsock-rshdnt-error-dos(7694)", "refsource": "XF", "url": "http://www.iss.net/security_center/static/7694.php"}, {"name": "http://www.denicomp.com/rshdnt.htm", "refsource": "CONFIRM", "url": "http://www.denicomp.com/rshdnt.htm"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-08T04:44:08.286Z"}, "title": "CVE Program Container", "references": [{"name": "20011208 Winsock RSHD/NT 2.20.00 CPU overusage when invalid data is send", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "http://www.securityfocus.com/archive/1/244580"}, {"name": "3659", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/3659"}, {"name": "20011213 WRSHDNT 2.21.00 CPU overusage", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "http://online.securityfocus.com/archive/1/245405"}, {"name": "winsock-rshdnt-error-dos(7694)", "tags": ["vdb-entry", "x_refsource_XF", "x_transferred"], "url": "http://www.iss.net/security_center/static/7694.php"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://www.denicomp.com/rshdnt.htm"}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-09T18:48:54.419465Z", "id": "CVE-2001-1184", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-09T18:49:05.583Z"}}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2001-1184", "datePublished": "2002-03-15T05:00:00.000Z", "dateReserved": "2002-03-15T00:00:00.000Z", "dateUpdated": "2026-10-09T18:49:05.583Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.2"}

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2001-12-08T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "wrshdsp.exe in Denicomp Winsock RSHD/NT 2.21.00 and earlier allows remote attackers to cause a denial of service (CPU consumption) via (1) in 2.20.00 and earlier, an invalid port number such as a negative number, which causes a connection attempt to that port and all ports below 1024, and (2) in 2.21.00, a port number of 1024."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2002-03-22T10:00:00.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "20011208 Winsock RSHD/NT 2.20.00 CPU overusage when invalid data is send", "tags": ["mailing-list", "x_refsource_BUGTRAQ"], "url": "http://www.securityfocus.com/archive/1/244580"}, {"name": "3659", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/3659"}, {"name": "20011213 WRSHDNT 2.21.00 CPU overusage", "tags": ["mailing-list", "x_refsource_BUGTRAQ"], "url": "http://online.securityfocus.com/archive/1/245405"}, {"name": "winsock-rshdnt-error-dos(7694)", "tags": ["vdb-entry", "x_refsource_XF"], "url": "http://www.iss.net/security_center/static/7694.php"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://www.denicomp.com/rshdnt.htm"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2001-1184", "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": "wrshdsp.exe in Denicomp Winsock RSHD/NT 2.21.00 and earlier allows remote attackers to cause a denial of service (CPU consumption) via (1) in 2.20.00 and earlier, an invalid port number such as a negative number, which causes a connection attempt to that port and all ports below 1024, and (2) in 2.21.00, a port number of 1024."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "20011208 Winsock RSHD/NT 2.20.00 CPU overusage when invalid data is send", "refsource": "BUGTRAQ", "url": "http://www.securityfocus.com/archive/1/244580"}, {"name": "3659", "refsource": "BID", "url": "http://www.securityfocus.com/bid/3659"}, {"name": "20011213 WRSHDNT 2.21.00 CPU overusage", "refsource": "BUGTRAQ", "url": "http://online.securityfocus.com/archive/1/245405"}, {"name": "winsock-rshdnt-error-dos(7694)", "refsource": "XF", "url": "http://www.iss.net/security_center/static/7694.php"}, {"name": "http://www.denicomp.com/rshdnt.htm", "refsource": "CONFIRM", "url": "http://www.denicomp.com/rshdnt.htm"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-08T04:44:08.286Z"}, "title": "CVE Program Container", "references": [{"name": "20011208 Winsock RSHD/NT 2.20.00 CPU overusage when invalid data is send", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "http://www.securityfocus.com/archive/1/244580"}, {"name": "3659", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/3659"}, {"name": "20011213 WRSHDNT 2.21.00 CPU overusage", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "http://online.securityfocus.com/archive/1/245405"}, {"name": "winsock-rshdnt-error-dos(7694)", "tags": ["vdb-entry", "x_refsource_XF", "x_transferred"], "url": "http://www.iss.net/security_center/static/7694.php"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://www.denicomp.com/rshdnt.htm"}]}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2001-1184", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-09T18:48:54.419465Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-09T18:49:00.306Z"}}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2001-1184", "datePublished": "2002-03-15T05:00:00.000Z", "dateReserved": "2002-03-15T00:00:00.000Z", "dateUpdated": "2026-10-09T18:49:05.583Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.2"}

{"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:denicomp:winsock_rshd_nt:2.20:*:*:*:*:*:*:*", "matchCriteriaId": "230C0F5A-0E19-4E42-B091-37E03A6BC2D7", "vulnerable": true}, {"criteria": "cpe:2.3:a:denicomp:winsock_rshd_nt:2.21:*:*:*:*:*:*:*", "matchCriteriaId": "A8A0F8CA-98F9-4796-A8AF-1CA5FB229166", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "wrshdsp.exe in Denicomp Winsock RSHD/NT 2.21.00 and earlier allows remote attackers to cause a denial of service (CPU consumption) via (1) in 2.20.00 and earlier, an invalid port number such as a negative number, which causes a connection attempt to that port and all ports below 1024, and (2) in 2.21.00, a port number of 1024."}], "id": "CVE-2001-1184", "lastModified": "2026-10-09T19:16:40.053", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2001-1184", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-09T18:48:54.419465Z", "version": "2.0.3"}}]}, "published": "2001-12-08T05:00:00.000", "references": [{"source": "cve@mitre.org", "tags": ["Exploit"], "url": "http://online.securityfocus.com/archive/1/245405"}, {"source": "cve@mitre.org", "url": "http://www.denicomp.com/rshdnt.htm"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://www.iss.net/security_center/static/7694.php"}, {"source": "cve@mitre.org", "tags": ["Exploit"], "url": "http://www.securityfocus.com/archive/1/244580"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Vendor Advisory"], "url": "http://www.securityfocus.com/bid/3659"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit"], "url": "http://online.securityfocus.com/archive/1/245405"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.denicomp.com/rshdnt.htm"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://www.iss.net/security_center/static/7694.php"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit"], "url": "http://www.securityfocus.com/archive/1/244580"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Vendor Advisory"], "url": "http://www.securityfocus.com/bid/3659"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}