CVE-2014-3523 (GCVE-0-2014-3523)
Vulnerability from cvelistv5 – Published: 2014-07-20 10:00 – Updated: 2024-08-06 10:50
VLAI
EPSS
VEX
Summary
Memory leak in the winnt_accept function in server/mpm/winnt/child.c in the WinNT MPM in the Apache HTTP Server 2.4.x before 2.4.10 on Windows, when the default AcceptFilter is enabled, allows remote attackers to cause a denial of service (memory consumption) via crafted requests.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
21 references
Date Public
2014-07-15 00:00
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"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"assignerShortName": "redhat",
"cveId": "CVE-2014-3523",
"datePublished": "2014-07-20T10:00:00.000Z",
"dateReserved": "2014-05-14T00:00:00.000Z",
"dateUpdated": "2024-08-06T10:50:16.340Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2014-3523",
"date": "2026-09-17",
"epss": "0.16372",
"percentile": "0.96803"
},
"fkie_nvd": {
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"id": "CVE-2014-3523",
"lastModified": "2024-11-21T02:08:17.807",
"metrics": "{\"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:L/Au:N/C:N/I:N/A:P\", \"baseScore\": 5.0, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 10.0, \"impactScore\": 2.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
"published": "2014-07-20T11:12:50.387",
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"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-399\"}]}]"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2014-3523\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2014-07-20T11:12:50.387\",\"lastModified\":\"2026-05-06T22:30:45.220\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Memory leak in the winnt_accept function in server/mpm/winnt/child.c in the WinNT MPM in the Apache HTTP Server 2.4.x before 2.4.10 on Windows, when the default AcceptFilter is enabled, allows remote attackers to cause a denial of service (memory consumption) via crafted requests.\"},{\"lang\":\"es\",\"value\":\"Fuga de memoria en la funci\u00f3n winnt_accept en server/mpm/winnt/child.c en el MPM WinNT en Apache HTTP Server 2.4.x anterior a 2.4.10 en Windows, cuando el AcceptFilter por defecto est\u00e1 habilitado, permite a atacantes remotos causar una denegaci\u00f3n de servicio (consumo de memoria) a trav\u00e9s de solicitudes manipuladas.\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:P\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-399\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.4.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6FCD3C8C-9BF8-4F30-981A-593EEAEB9EDD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.4.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"046487A3-752B-4D0F-8984-96486B828EAB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.4.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"89D2E052-51CD-4B57-A8B8-FAE51988D654\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.4.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"EAA27058-BACF-4F94-8E3C-7D38EC302EC1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.4.6:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"8FEAB0DF-04A9-4F99-8666-0BADC5D642B8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.4.7:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E7D924D1-8A36-4C43-9E56-52814F9A6350\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.4.8:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DFA089AB-AF28-4AE1-AE39-6D1B8192A3DF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.4.9:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"39CDFECC-E26D-47E0-976F-6629040B3764\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:microsoft:windows:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2CF61F35-5905-4BA9-AD7E-7DB261D2F256\"}]}]}],\"references\":[{\"url\":\"http://httpd.apache.org/security/vulnerabilities_24.html\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Patch\",\"Vendor 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"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-08-04T22:01:25+00:00",
"cve": "CVE-2014-3523",
"id": "CVE-2014-3523",
"initial_release_date": "2014-07-15T00:00:00+00:00",
"product_status:fixed": "1",
"product_status:known_not_affected": "39",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "httpd: WinNT MPM denial of service",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2014/cve-2014-3523.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-09-06T00:00:14Z",
"cve": "CVE-2014-3523",
"id": "CVE-2014-3523",
"initial_release_date": "2023-02-15T05:28:49Z",
"product_status:known_not_affected": "122",
"product_status:recommended": "213",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2014-3523",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2014-3523.json",
"version": "14"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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