FKIE_CVE-2011-0043
Vulnerability from fkie_nvd - Published: 2011-02-10 16:00 - Updated: 2026-06-16 23:26
Severity
Summary
Kerberos in Microsoft Windows XP SP2 and SP3 and Server 2003 SP2 supports weak hashing algorithms, which allows local users to gain privileges by operating a service that sends crafted service tickets, as demonstrated by the CRC32 algorithm, aka "Kerberos Unkeyed Checksum Vulnerability."
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| microsoft | windows_2003_server | * | |
| microsoft | windows_2003_server | * | |
| microsoft | windows_server_2003 | * | |
| microsoft | windows_xp | * | |
| microsoft | windows_xp | - |
{
"affected": [
{
"affectedData": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"source": "secure@microsoft.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:microsoft:windows_2003_server:*:sp2:*:*:*:*:*:*",
"matchCriteriaId": "2978BF86-5A1A-438E-B81F-F360D0E30C9C",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_2003_server:*:sp2:itanium:*:*:*:*:*",
"matchCriteriaId": "F7EFB032-47F4-4497-B16B-CB9126EAC9DF",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:*",
"matchCriteriaId": "4D3B5E4F-56A6-4696-BBB4-19DF3613D020",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_xp:*:sp3:*:*:*:*:*:*",
"matchCriteriaId": "CE477A73-4EE4-41E9-8694-5A3D5DC88656",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_xp:-:sp2:x64:*:*:*:*:*",
"matchCriteriaId": "FFAC3F90-77BF-4F56-A89B-8A3D2D1FC6D6",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Kerberos in Microsoft Windows XP SP2 and SP3 and Server 2003 SP2 supports weak hashing algorithms, which allows local users to gain privileges by operating a service that sends crafted service tickets, as demonstrated by the CRC32 algorithm, aka \"Kerberos Unkeyed Checksum Vulnerability.\""
},
{
"lang": "es",
"value": "Kerberos en Microsoft Windows XP SP2 y SP3 y Server 2003 SP2 admite algoritmos hash d\u00e9biles, lo que permite a usuarios locales conseguir privilegios, operando un servicio que env\u00eda tickets de servicio manipulados, como lo demuestra el algoritmo CRC32 ,tambi\u00e9n conocido como \"Vulnerabilidad de Checksum en la clave Kerberos.\""
}
],
"id": "CVE-2011-0043",
"lastModified": "2026-06-16T23:26:40.930",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 7.2,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 10.0,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2011-02-10T16:00:13.677",
"references": [
{
"source": "secure@microsoft.com",
"url": "http://osvdb.org/70834"
},
{
"source": "secure@microsoft.com",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/43251"
},
{
"source": "secure@microsoft.com",
"url": "http://support.avaya.com/css/P8/documents/100127250"
},
{
"source": "secure@microsoft.com",
"url": "http://www.securityfocus.com/bid/46130"
},
{
"source": "secure@microsoft.com",
"url": "http://www.securitytracker.com/id?1025048"
},
{
"source": "secure@microsoft.com",
"tags": [
"Vendor Advisory"
],
"url": "http://www.vupen.com/english/advisories/2011/0326"
},
{
"source": "secure@microsoft.com",
"url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-013"
},
{
"source": "secure@microsoft.com",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/64900"
},
{
"source": "secure@microsoft.com",
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12432"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://osvdb.org/70834"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/43251"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://support.avaya.com/css/P8/documents/100127250"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/46130"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securitytracker.com/id?1025048"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://www.vupen.com/english/advisories/2011/0326"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-013"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/64900"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12432"
}
],
"sourceIdentifier": "secure@microsoft.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-310"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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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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