CVE-2020-1108
.NET Core & .NET Framework Denial of Service Vulnerability
At a glance
- Severity
- Not available
- EPSS
- EPSS 6.46 % · percentile 94 (2026-10-27)
- State
- PUBLISHED
- Published
- Updated
- Assigner
- microsoft
- NVD status
- Modified
Description
A denial of service vulnerability exists when .NET Core or .NET Framework improperly handles web requests. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET Core or .NET Framework web application. The vulnerability can be exploited remotely, without authentication. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the .NET Core or .NET Framework application. The update addresses the vulnerability by correcting how the .NET Core or .NET Framework web application handles web requests.
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | MEDIUM 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P | NVD · nvd@nist.gov (Primary) |
Advisories
- GHSA-3w5p-jhp5-c29q — .NET Core & .NET Framework Denial of Service Vulnerability
European references
- ENISA EUVD · EUVD-2022-2252
- GCVE · GCVE-0-2020-1108
CERT-FR advisories
- CERTFR-2020-AVI-289 — Multiples vulnérabilités dans les produits Microsoft · cert.ssi.gouv.fr
- CERTFR-2020-AVI-288 — Multiples vulnérabilités dans Microsoft .Net · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:microsoft:.net:5.0:preview1:*:*:*:*:*:*cpe:2.3:a:microsoft:.net:5.0:preview2:*:*:*:*:*:*cpe:2.3:a:microsoft:.net:5.0:preview3:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_core:*:*:*:*:*:*:*:*≥ 2.1 ≤ 2.1.18cpe:2.3:a:microsoft:.net_core:*:*:*:*:*:*:*:*≥ 3.0 ≤ 3.1.4cpe:2.3:a:microsoft:.net_framework:2.0:sp2:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:3.0:sp2:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.6:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.5.2:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.6:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.6.1:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.6:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.6.1:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*- +57 more
Affected products
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-1108
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1108
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |