FKIE_CVE-2011-1921
Vulnerability from fkie_nvd - Published: 2011-06-06 19:55 - Updated: 2026-06-16 23:30
Severity
Summary
The mod_dav_svn module for the Apache HTTP Server, as distributed in Apache Subversion 1.5.x and 1.6.x before 1.6.17, when the SVNPathAuthz short_circuit option is disabled, does not properly enforce permissions for files that had been publicly readable in the past, which allows remote attackers to obtain sensitive information via a replay REPORT operation.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| apache | subversion | 1.5.0 | |
| apache | subversion | 1.5.1 | |
| apache | subversion | 1.5.2 | |
| apache | subversion | 1.5.3 | |
| apache | subversion | 1.5.4 | |
| apache | subversion | 1.5.5 | |
| apache | subversion | 1.5.6 | |
| apache | subversion | 1.5.7 | |
| apache | subversion | 1.5.8 | |
| apache | subversion | 1.6.0 | |
| apache | subversion | 1.6.1 | |
| apache | subversion | 1.6.2 | |
| apache | subversion | 1.6.3 | |
| apache | subversion | 1.6.4 | |
| apache | subversion | 1.6.5 | |
| apache | subversion | 1.6.6 | |
| apache | subversion | 1.6.7 | |
| apache | subversion | 1.6.8 | |
| apache | subversion | 1.6.9 | |
| apache | subversion | 1.6.10 | |
| apache | subversion | 1.6.11 | |
| apache | subversion | 1.6.12 | |
| apache | subversion | 1.6.13 | |
| apache | subversion | 1.6.14 | |
| apache | subversion | 1.6.15 | |
| apache | subversion | 1.6.16 |
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{
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"product": "n/a",
"vendor": "n/a",
"versions": [
{
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"version": "n/a"
}
]
}
],
"source": "secalert@redhat.com"
}
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The mod_dav_svn module for the Apache HTTP Server, as distributed in Apache Subversion 1.5.x and 1.6.x before 1.6.17, when the SVNPathAuthz short_circuit option is disabled, does not properly enforce permissions for files that had been publicly readable in the past, which allows remote attackers to obtain sensitive information via a replay REPORT operation."
},
{
"lang": "es",
"value": "El m\u00f3dulo mod_dav_svn para Apache HTTP Server, como se distribuye en Apache Subversion v1.5.x y v1.6.x anteriores a 1.6.17,cuando la opci\u00f3n SVNPathAuthz short_circuit est\u00e1 deshabilitada no se aplican correctamente los permisos para los archivos que hab\u00edan sido legibles p\u00fablicamente en el pasado, lo que permite a atacantes remotos obtener informaci\u00f3n sensible a trav\u00e9s de una operaci\u00f3n de reproducci\u00f3n de INFORMES.\r\n"
}
],
"id": "CVE-2011-1921",
"lastModified": "2026-06-16T23:30:22.133",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2011-06-06T19:55:02.020",
"references": [
{
"source": "secalert@redhat.com",
"url": "http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html"
},
{
"source": "secalert@redhat.com",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062211.html"
},
{
"source": "secalert@redhat.com",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061913.html"
},
{
"source": "secalert@redhat.com",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/44633"
},
{
"source": "secalert@redhat.com",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/44681"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/44849"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/44888"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/45162"
},
{
"source": "secalert@redhat.com",
"tags": [
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],
"url": "http://subversion.apache.org/security/CVE-2011-1921-advisory.txt"
},
{
"source": "secalert@redhat.com",
"url": "http://support.apple.com/kb/HT5130"
},
{
"source": "secalert@redhat.com",
"url": "http://svn.apache.org/repos/asf/subversion/tags/1.6.17/CHANGES"
},
{
"source": "secalert@redhat.com",
"url": "http://www.debian.org/security/2011/dsa-2251"
},
{
"source": "secalert@redhat.com",
"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:106"
},
{
"source": "secalert@redhat.com",
"url": "http://www.redhat.com/support/errata/RHSA-2011-0862.html"
},
{
"source": "secalert@redhat.com",
"url": "http://www.securityfocus.com/bid/48091"
},
{
"source": "secalert@redhat.com",
"url": "http://www.securitytracker.com/id?1025619"
},
{
"source": "secalert@redhat.com",
"url": "http://www.ubuntu.com/usn/USN-1144-1"
},
{
"source": "secalert@redhat.com",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=709114"
},
{
"source": "secalert@redhat.com",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/67804"
},
{
"source": "secalert@redhat.com",
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18999"
},
{
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},
{
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"url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062211.html"
},
{
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"url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061913.html"
},
{
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"tags": [
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],
"url": "http://secunia.com/advisories/44633"
},
{
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"tags": [
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],
"url": "http://secunia.com/advisories/44681"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/44849"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/44888"
},
{
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"url": "http://secunia.com/advisories/45162"
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{
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"tags": [
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"url": "http://subversion.apache.org/security/CVE-2011-1921-advisory.txt"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://support.apple.com/kb/HT5130"
},
{
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"url": "http://svn.apache.org/repos/asf/subversion/tags/1.6.17/CHANGES"
},
{
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"url": "http://www.debian.org/security/2011/dsa-2251"
},
{
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"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:106"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.redhat.com/support/errata/RHSA-2011-0862.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/48091"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securitytracker.com/id?1025619"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.ubuntu.com/usn/USN-1144-1"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=709114"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/67804"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18999"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-264"
}
],
"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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