What is CVE-2020-5268?

CVE-2020-5268 is a medium-severity vulnerability in Sustainsys Saml2, classified under Incorrect Implementation of Authentication Algorithm. CVSS score: 6.5/10. Published 2020-04-21.

How severe is CVE-2020-5268?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Sustainsys Saml2

CVE-2020-5268

In Saml2 Authentication Services for ASP.NET versions before 1.0.2, and between 2.0.0 and 2.6.0, there is a vulnerability in how tokens are validated in some cases. Saml2 tokens are usually used as bearer tokens - a caller that presents a…

EPSS: 0.003 (53.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:L/A:N.

Affected products

Sustainsys Saml2 — versions < 1.0.2, >= 2.0.0, <= 2.6.0

Weakness classification (CWE)

CWE-303 — Incorrect Implementation of Authentication Algorithm

References

github.com/Sustainsys/Saml2/commit/e58e0a1aff2b1ead6aca080b7cdced55ee6d5241 (x_refsource_MISC)
github.com/Sustainsys/Saml2/security/advisories/GHSA-9475-xg6m-j7pw (x_refsource_CONFIRM)
github.com/Sustainsys/Saml2/issues/712 (x_refsource_MISC)
www.nuget.org/packages/Sustainsys.Saml2/ (x_refsource_MISC)

Frequently asked questions

What is CVE-2020-5268?: CVE-2020-5268 is a medium-severity vulnerability in Sustainsys Saml2, classified under Incorrect Implementation of Authentication Algorithm. CVSS score: 6.5/10. Published 2020-04-21.
How severe is CVE-2020-5268?: Medium severity. CVSS v3 base score is 6.5 out of 10.