HIGH SEVERITY

CVE-2020-1108

.Net vulnerability

CVSS
7.5
EPSS
11.7%
EPSS pct
96th
Exploited
No known
A denial of service vulnerability exists when .NET Core or .NET Framework improperly handles web requests, aka '.NET Core & .NET Framework Denial of Service Vulnerability'.
Affected vendor
Microsoft
Affected product
.Net
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2020-05-21

Risk analysis

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

Its EPSS score of 11.7% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2020-1108

  • Confirm whether Microsoft .Net is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-1108.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-1108

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-1108 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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