CVE-2021-1723
Status: ModifiedHigh (7.5)—
ASP.NET Core and Visual Studio Denial of Service Vulnerability
CVSS
- Version: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Base score: 7.5
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 4.91%
- Percentile among all scored CVEs: 92
- Score date: 10/6/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (3)
CWEs
- NVD-CWE-noinfo
References
Raw JSON (NVD)
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{
"id": "CVE-2021-1723",
"cveTags": [],
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"version": "2.0.3",
"timestamp": "2025-06-04T18:52:30.773371Z"
}
}
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"obtainAllPrivilege": false,
"exploitabilityScore": 10,
"obtainUserPrivilege": false,
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"published": "2021-01-12T20:15:34.993",
"references": [
{
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1723",
"source": "secure@microsoft.com"
},
{
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1723",
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
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"vulnStatus": "Modified",
"weaknesses": [
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}
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"descriptions": [
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"lang": "en",
"value": "ASP.NET Core and Visual Studio Denial of Service Vulnerability"
},
{
"lang": "es",
"value": "Una Vulnerabilidad de Denegación de Servicio de ASP.NET Core y Visual Studio"
}
],
"lastModified": "2026-06-17T03:32:26.497",
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