CVE-2020-1597
A denial of service vulnerability exists when ASP.NET Core improperly handles web requests.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (6.56%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 6.56% probability · 93th percentile
- CISA KEV
- Not listed
- Affected
- microsoft/asp.net core · microsoft/visual studio 2017 · microsoft/visual studio 2019 · fedoraproject/fedora
- Source
- secure@microsoft.com
References
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WH5FQ5VT3JGHXFXOETHCTBWJUIAPGHHT/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZW4CBI26KSO3PRL3HLVVISXPPOYUHSXO/
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1597Patch, Vendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WH5FQ5VT3JGHXFXOETHCTBWJUIAPGHHT/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZW4CBI26KSO3PRL3HLVVISXPPOYUHSXO/
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1597Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.