HIGH SEVERITY

CVE-2020-0603

Asp.Net Core vulnerability

CVSS
8.8
EPSS
19.8%
EPSS pct
97th
Exploited
No known
A remote code execution vulnerability exists in ASP.NET Core software when the software fails to handle objects in memory.An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user, aka 'ASP.NET Core Remote Code Execution Vulnerability'.
Affected vendor
Microsoft
Affected product
Asp.Net Core
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness type (CWE)
Published
2020-01-14

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 19.8% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2020-0603

  • Confirm whether Microsoft Asp.Net Core is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-0603.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-0603

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