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CERTFR-2021-AVI-619
Vulnerability from certfr_avis
De multiples vulnérabilités ont été corrigées dans Microsoft .Net. Elles permettent à un attaquant de provoquer un déni de service et une atteinte à la confidentialité des données.
Solution
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
NoneImpacted products
References
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": ".NET Core 3.1",
"product": {
"name": "N/A",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "ASP.NET Core 3.1",
"product": {
"name": ".Net",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "ASP.NET Core 5.0",
"product": {
"name": ".Net",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": ".NET Core 2.1",
"product": {
"name": "N/A",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": ".NET 5.0",
"product": {
"name": "N/A",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "ASP.NET Core 2.1",
"product": {
"name": ".Net",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
}
],
"affected_systems_content": null,
"content": "## Solution\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des\ncorrectifs (cf. section Documentation).\n",
"cves": [
{
"name": "CVE-2021-26423",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-26423"
},
{
"name": "CVE-2021-34485",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-34485"
},
{
"name": "CVE-2021-34532",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-34532"
}
],
"initial_release_date": "2021-08-11T00:00:00",
"last_revision_date": "2021-08-11T00:00:00",
"links": [],
"reference": "CERTFR-2021-AVI-619",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2021-08-11T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 corrig\u00e9es dans \u003cspan\nclass=\"textit\"\u003eMicrosoft .Net\u003c/span\u003e. Elles permettent \u00e0 un attaquant de\nprovoquer un d\u00e9ni de service et une atteinte \u00e0 la confidentialit\u00e9 des\ndonn\u00e9es.\n",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans Microsoft .Net",
"vendor_advisories": [
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft du 10 ao\u00fbt 2021",
"url": "https://portal.msrc.microsoft.com/fr-FR/security-guidance"
}
]
}
CVE-2021-34485 (GCVE-0-2021-34485)
Vulnerability from cvelistv5
Published
2021-08-12 18:11
Modified
2026-08-10 15:10
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Information Disclosure
Summary
.NET Core and Visual Studio Information Disclosure Vulnerability
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | |||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | .NET 5.0 |
Version: 5.0.0 < 5.0.9 |
|||||||||||||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||||||||||||||
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CVE-2021-34532 (GCVE-0-2021-34532)
Vulnerability from cvelistv5
Published
2021-08-12 18:12
Modified
2026-08-10 15:10
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Information Disclosure
Summary
ASP.NET Core and Visual Studio Information Disclosure Vulnerability
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | |||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | ASP.NET Core 2.1 |
Version: 2.0 < 2.1.29 |
|||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||||
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CVE-2021-26423 (GCVE-0-2021-26423)
Vulnerability from cvelistv5
Published
2021-08-12 18:11
Modified
2026-08-10 15:09
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Denial of Service
Summary
.NET Core and Visual Studio Denial of Service Vulnerability
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | .NET 5.0 |
Version: 5.0.0 < 5.0.9 |
||||||||||||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||
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}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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