CVE-2020-0602

Name: CVE-2020-0602
Creator: NVD / NIST
Published: 2020-01-14T23:15:30.287+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 7.61%

Last modified Jun 17, 2026

CVE-2020-0602 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service Vulnerability'.. EPSS estimates a 7.61% chance of exploitation in the next 30 days.

Description

A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service Vulnerability'.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

7.61%

93.8th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Microsoft	Asp.Net Core	2.1
Microsoft	Asp.Net Core	3.0
Microsoft	Asp.Net Core	3.1
Redhat	Enterprise Linux	8.0
Redhat	Enterprise Linux Eus	8.1

References

https://access.redhat.com/errata/RHSA-2020:0130Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0134Third Party Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0602Patch, Vendor Advisory
https://access.redhat.com/errata/RHSA-2020:0130Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0134Third Party Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0602Patch, Vendor Advisory

Timeline

Published: Jan 14, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-0602?

A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service Vulnerability'.

How severe is CVE-2020-0602?

CVE-2020-0602 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 7.61% probability of exploitation in the next 30 days.

How do I fix CVE-2020-0602?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-0602?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST