GSD-2021-34532
Vulnerability from gsd - Updated: 2023-12-13 01:23Details
ASP.NET Core and Visual Studio Information Disclosure Vulnerability
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-34532",
"description": "ASP.NET Core and Visual Studio Information Disclosure Vulnerability",
"id": "GSD-2021-34532",
"references": [
"https://access.redhat.com/errata/RHSA-2021:3148",
"https://access.redhat.com/errata/RHSA-2021:3147",
"https://access.redhat.com/errata/RHSA-2021:3143",
"https://access.redhat.com/errata/RHSA-2021:3142",
"https://security.archlinux.org/CVE-2021-34532",
"https://linux.oracle.com/cve/CVE-2021-34532.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-34532"
],
"details": "ASP.NET Core and Visual Studio Information Disclosure Vulnerability",
"id": "GSD-2021-34532",
"modified": "2023-12-13T01:23:14.006113Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "secure@microsoft.com",
"ID": "CVE-2021-34532",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "ASP.NET Core 2.1",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "2.0",
"version_value": "2.1.29"
}
]
}
},
{
"product_name": "ASP.NET Core 3.1",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "3.0",
"version_value": "3.1.18"
}
]
}
},
{
"product_name": "ASP.NET Core 5.0",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "5.0",
"version_value": "5.0.9"
}
]
}
},
{
"product_name": "Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "16.0",
"version_value": "16.4.25"
}
]
}
},
{
"product_name": "Microsoft Visual Studio 2019 version 16.7 (includes 16.0 \u2013 16.6)",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "16.0.0",
"version_value": "16.7.18"
}
]
}
},
{
"product_name": "Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8)",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "15.0.0",
"version_value": "16.9.10"
}
]
}
},
{
"product_name": "Microsoft Visual Studio 2019 version 16.10 (includes 16.0 - 16.9)",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "16.10.0",
"version_value": "16.10.5"
}
]
}
},
{
"product_name": "Visual Studio 2019 for Mac version 8.10",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "8.1.0",
"version_value": "8.10.7"
}
]
}
}
]
},
"vendor_name": "Microsoft"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "ASP.NET Core and Visual Studio Information Disclosure Vulnerability"
}
]
},
"impact": {
"cvss": [
{
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C",
"version": "3.1"
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "Information Disclosure"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34532",
"refsource": "MISC",
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34532"
}
]
}
},
"gitlab.com": {
"advisories": [
{
"affected_range": "[2.1,2.1.2],[3.1,3.1.17],[5.0,5.0.8]",
"affected_versions": "All versions starting from 2.1 up to 2.1.2, all versions starting from 3.1 up to 3.1.17, all versions starting from 5.0 up to 5.0.8",
"cvss_v2": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
"cvss_v3": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"cwe_ids": [
"CWE-1035",
"CWE-937"
],
"date": "2021-08-18",
"description": "The type of information that could be disclosed if an attacker successfully exploited this vulnerability is data inside the targeted website like IDs, tokens, nonces, and other sensitive information.",
"fixed_versions": [
"2.1.30",
"3.1.18",
"5.0.9"
],
"identifier": "CVE-2021-34532",
"identifiers": [
"CVE-2021-34532"
],
"not_impacted": "All versions before 2.1, all versions after 2.1.2 before 3.1, all versions after 3.1.17 before 5.0, all versions after 5.0.8",
"package_slug": "nuget/Microsoft.AspNetCore.All",
"pubdate": "2021-08-12",
"solution": "Upgrade to versions 2.1.30, 3.1.18, 5.0.9 or above.",
"title": "Exposure of Sensitive Information to an Unauthorized Actor",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2021-34532",
"https://github.com/dotnet/announcements/issues/195",
"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34532"
],
"uuid": "80b89492-b87c-4794-a626-9cd32e5d2adf"
},
{
"affected_range": "(,2.1.29),[3.0.0,3.1.18),[5.0.0,5.0.9)",
"affected_versions": "All versions before 2.1.29, all versions starting from 3.0.0 before 3.1.18, all versions starting from 5.0.0 before 5.0.9",
"cvss_v2": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
"cvss_v3": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"cwe_ids": [
"CWE-1035",
"CWE-937"
],
"date": "2021-10-21",
"description": "ASP.NET Core and Visual Studio Information Disclosure Vulnerability",
"fixed_versions": [
"2.1.29",
"3.1.18",
"5.0.9"
],
"identifier": "CVE-2021-34532",
"identifiers": [
"GHSA-q7cg-43mg-qp69",
"CVE-2021-34532"
],
"not_impacted": "All versions starting from 2.1.29 before 3.0.0, all versions starting from 3.1.18 before 5.0.0, all versions starting from 5.0.9",
"package_slug": "nuget/Microsoft.AspNetCore.Authentication.JwtBearer",
"pubdate": "2021-08-25",
"solution": "Upgrade to versions 2.1.29, 3.1.18, 5.0.9 or above.",
"title": "ASP.NET Core Information Disclosure Vulnerability",
"urls": [
"https://github.com/dotnet/aspnetcore/security/advisories/GHSA-q7cg-43mg-qp69",
"https://nvd.nist.gov/vuln/detail/CVE-2021-34532",
"https://github.com/advisories/GHSA-q7cg-43mg-qp69"
],
"uuid": "c644bcef-ff0a-4c50-9b67-18d40aed5d75"
}
]
},
"nvd.nist.gov": {
"cve": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*",
"matchCriteriaId": "6FBDFB3D-0F15-4861-990E-BEF60D40ACC8",
"versionEndIncluding": "2.1.2",
"versionStartIncluding": "2.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*",
"matchCriteriaId": "9D6C55E5-4153-443B-8756-B711AB3ACEE9",
"versionEndIncluding": "3.1.17",
"versionStartIncluding": "3.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*",
"matchCriteriaId": "7642F43F-3C68-44D1-8593-D6B30183C357",
"versionEndIncluding": "5.0.8",
"versionStartIncluding": "5.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*",
"matchCriteriaId": "26472C42-CDB4-4176-B10B-3BF26F5030E3",
"versionEndIncluding": "16.10",
"versionStartIncluding": "16.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:visual_studio_2019:8.10:*:*:*:*:macos:*:*",
"matchCriteriaId": "BA547FFE-D557-4612-9840-EEE88ACF53AA",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "ASP.NET Core and Visual Studio Information Disclosure Vulnerability"
},
{
"lang": "es",
"value": "Una Vulnerabilidad de Divulgaci\u00f3n de Informaci\u00f3n en ASP.NET Core y Visual Studio"
}
],
"id": "CVE-2021-34532",
"lastModified": "2023-12-28T20:15:49.673",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "LOW",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 2.1,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6,
"source": "secure@microsoft.com",
"type": "Primary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Secondary"
}
]
},
"published": "2021-08-12T18:15:09.337",
"references": [
{
"source": "secure@microsoft.com",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34532"
}
],
"sourceIdentifier": "secure@microsoft.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
],
"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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