Vulnerability in Sustainsys Saml2
CVE-2023-41890
Sustainsys.Saml2 library adds SAML2P support to ASP.NET web sites, allowing the web site to act as a SAML2 Service Provider. Prior to versions 1.0.3 and 2.9.2, when a response is processed, the issuer of the Identity Provider is not suffi…
EPSS: 0.001 (33.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Sustainsys Saml2 — versions < 1.0.3, >= 2.0.0, < 2.9.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- https://github.com/Sustainsys/Saml2/security/advisories/GHSA-fv2h-753j-9g39 (x_refsource_CONFIRM)
- https://github.com/Sustainsys/Saml2/issues/712 (x_refsource_MISC)
- https://github.com/Sustainsys/Saml2/issues/713 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2023-41890?
- CVE-2023-41890 is a high-severity vulnerability in Sustainsys Saml2, classified under CWE-289. CVSS score: 7.5/10. Published 2023-09-19.
- How severe is CVE-2023-41890?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2023-41890 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.