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Vulnerability record · CVE-2021-34532 · published 12 August 2021
CVE-2021-34532: Microsoft asp.net core vulnerability
Microsoft · Asp.Net Core
ASP.NET Core and Visual Studio Information Disclosure Vulnerability
5.5 CVSS 3.1 Medium EPSS 1.2% · top 32.8%
5.5CVSS 3.1 base score, v2 2.1
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
2References
10 Aug 2026Last modified by NVD
Description
ASP.NET Core and Visual Studio Information Disclosure Vulnerability
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected products
2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.
References
Track CVE-2021-34532 inside VULONE
Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.
Related vulnerabilities
Same products first, then exploited flaws of the same weakness class.
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Source: NIST National Vulnerability Database (record CVE-2021-34532), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.
