QID 983864

QID 983864: Dotnet (nuget) Security Update for Sustainsys.Saml2 (GHSA-g6j2-ch25-5mmv)

Security update has been released for Sustainsys.Saml2 to fix the vulnerability. Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Token Replay Detection is an important defence in depth measure for Single Sign On solutions. In all previous 2.X versions, the Token Replay Detection is not properly implemented. Note that version 1.0.1 is not affected. It has a correct Token Replay Implementation and is safe to use.

  • CVSS V3 rated as High - 6.8 severity.
  • CVSS V2 rated as Medium - 4.9 severity.
    • Solution
    The 2.5.0 version is patched.Workaround:
    There are no workarounds with existing versions. Fixing the issue requires code updates.
    Vendor References

    CVEs related to QID 983864

    CVE-2020-5261 |
    Software Advisories
    Advisory ID Software Component Link
    GHSA-g6j2-ch25-5mmv Sustainsys.Saml2 URL Logo github.com/advisories/GHSA-g6j2-ch25-5mmv
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