Replay Attack The advisory has been revoked - it doesn't affect any version of package sustainsys.saml2 (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DOTNET-SUSTAINSYSSAML2-561347
- published26 Mar 2020
- disclosed26 Mar 2020
- creditUnknown
Introduced: 26 Mar 2020
CVE-2020-5261 (opens in a new tab)Amendment
This was deemed not a vulnerability.
Overview
Sustainsys.Saml2 is a SAML2 protocol support.
Affected versions of this package are vulnerable to Replay Attack. 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.