Skip to main content
UNPWNED
Scan free
CVE Radar
MediumASP.NET

CVE-2021-31957

ASP.NET Core Denial of Service Vulnerability

CVSS Base Score
5.0

AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploit Probability
92%EPSS PERCENTILE0100

More exploitable than 92% of all CVEs · Top 8%

2%

of the sites UNPWNED scans run ASP.NET, the technology this CVE affects. Version determines exposure, so scan yours to know for sure.Aggregate across 730 scanned sites. No site is identified.

Is your site exposed to this?

Run a free scan. UNPWNED fingerprints your stack and flags this CVE class if the affected technology is detected.

Check my site
Details
Published
2021-06-08
Last modified
2026-10-07
Affected
ASP.NET
References
NVD Detail OSV.dev GitHub Advisories

Related exploited CVEs in ASP.NET

CVE-2023-44487
High · 7.5 CVSSNginx
CVE-2023-36899
High · 8.8 CVSSASP.NET
CVE-2023-38180
High · 7.5 CVSSASP.NET
CVE-2020-1108
High · 7.5 CVSSASP.NET

Data from the National Vulnerability Database (NVD), CISA KEV, and FIRST.org EPSS. This product uses the NVD API but is not endorsed or certified by the NVD. EPSS is a probability estimate, not a guarantee of exploitation.