CVE-2020-5268: Subject Confirmation Method not validated in Saml2 Authentication Services for ASP.NET

CVE-2020-5268 · Severity: low · CVSS 3.1 · Published 2020-04-22

Subject Confirmation Method not validated in Saml2 Authentication Services for ASP.NET

Technologies: Sustainsys.Saml2 (NuGet). Vendors: NuGet.

Quick answers

Is CVE-2020-5268 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2020-5268 being exploited in the wild.
How severe is CVE-2020-5268?
Low severity, with a CVSS score of 3.1, published 22 April 2020.
Which products and versions are affected?
Sustainsys.Saml2 (NuGet) ECOSYSTEM:introduced=0,fixed=1.0.2.
Is there a fix for CVE-2020-5268?
Yes. Sustainsys.Saml2 (NuGet): upgrade to 1.0.2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2020-5268?
Check whether you run Sustainsys.Saml2 (NuGet) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • Sustainsys.Saml2 (NuGet): upgrade to 1.0.2 or later
    dotnet add package Sustainsys.Saml2 --version 1.0.2

Affected products

  • Sustainsys.Saml2 (NuGet) ECOSYSTEM:introduced=0,fixed=1.0.2

Identifiers

  • CVE-2020-5268
  • GHSA-9475-xg6m-j7pw

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