GHSA-f8qx-mjcq-wfgx · Severity: high · Ecosystem: nuget — ASP.NET Core Denial of Service Vulnerability
A denial of service vulnerability exists when ASP.NET Core improperly handles web requests. An attacker who successfully exploited this vulnerability could cause a denial of service against an ASP.NET Core 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 ASP.NET Core application. The update addresses the vulnerability by correcting how the ASP.NET Core web application handles web requests.
Conclusion & alert: CVE-2020-1597 is rated Moderate Risk (61.5/100): CVSS High severity, with high exploitation likelihood (EPSS 6.56%, 93th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 7.56% | 6.56% | -0.99% |
| 2 | 2026-03-03 | 8.52% | 7.56% | -0.97% |
| 3 | 2025-12-17 | — | 8.52% | — |
Full EPSS history (19 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
GHSA-f8qx-mjcq-wfgx · Severity: high · Ecosystem: nuget — ASP.NET Core Denial of Service Vulnerability
| vendor | priority | summary | link |
|---|---|---|---|
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2020-1597 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | asp.net_core | 2.1 | cpe:2.3:a:microsoft:asp.net_core:2.1:*:*:*:*:*:*:* |
| microsoft | asp.net_core | 3.1 | cpe:2.3:a:microsoft:asp.net_core:3.1:*:*:*:*:*:*:* |
| microsoft | visual_studio_2017 | >= 15.0, <= 15.8 | cpe:2.3:a:microsoft:visual_studio_2017:*:*:*:*:*:*:*:* |
| microsoft | visual_studio_2019 | >= 16.0, <= 16.3 | cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:* |
| microsoft | visual_studio_2019 | >= 16.5, <= 16.6 | cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:* |
| fedoraproject | fedora | 32 | cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* |
| fedoraproject | fedora | 33 | cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* |