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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2020-5261 Detail

Description

Saml2 Authentication services for ASP.NET (NuGet package Sustainsys.Saml2) greater than 2.0.0, and less than version 2.5.0 has a faulty implementation of Token Replay Detection. Token Replay Detection is an important defence in depth measure for Single Sign On solutions. The 2.5.0 version is patched. Note that version 1.0.1 is not affected. It has a correct Token Replay Implementation and is safe to use. Saml2 Authentication services for ASP.NET (NuGet package Sustainsys.Saml2) greater than 2.0.0, and less than version 2.5.0 have a faulty implementation of Token Replay Detection. Token Replay Detection is an important defense measure for Single Sign On solutions. The 2.5.0 version is patched. Note that version 1.0.1 and prior versions are not affected. These versions have a correct Token Replay Implementation and are safe to use.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://github.com/Sustainsys/Saml2/commit/e58e0a1aff2b1ead6aca080b7cdced55ee6d5241 Patch  Third Party Advisory 
https://github.com/Sustainsys/Saml2/commit/e58e0a1aff2b1ead6aca080b7cdced55ee6d5241 Patch  Third Party Advisory 
https://github.com/Sustainsys/Saml2/issues/711 Issue Tracking  Third Party Advisory 
https://github.com/Sustainsys/Saml2/issues/711 Issue Tracking  Third Party Advisory 
https://github.com/Sustainsys/Saml2/security/advisories/GHSA-g6j2-ch25-5mmv Third Party Advisory 
https://github.com/Sustainsys/Saml2/security/advisories/GHSA-g6j2-ch25-5mmv Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-294 Authentication Bypass by Capture-replay cwe source acceptance level NIST   GitHub, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

5 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-5261
NVD Published Date:
03/24/2020
NVD Last Modified:
11/21/2024
Source:
GitHub, Inc.