CVE-2021-31957

ASP.NET Core Denial of Service Vulnerability

CVSS 3.1

5.9CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

5.1% chance of exploitation in the next 30 days; higher than 92% of CVEs (scores of 2026-10-25)

CWE

CWE-400

Published

2021-06-08

Modified

2026-10-07

Record from

the NVD, synced 2026-10-19

Affected

• fedoraproject:fedora
• microsoft:.net
• microsoft:.net_core
• microsoft:visual_studio_2019

References

• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4PRVVLXXQEF4SEJOBV3VRJHGX7YHY2CG/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CVCDYIP4A6DDRT7G6P3ZW6PKNK2DNWJ2/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PMHWHRRYDHKM6BIINW5V7OCSW4SDWB4W/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VMAO4NG2OQ4PCXUQWMNSCMYWLIJJY6UY/
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31957

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