User Impersonation Affecting cie.aspnetcore.authentication package, versions [,2.1.0)
Threat Intelligence
Exploit Maturity
Exploit maturity not defined.
Not Defined
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Test your applications- Snyk IDSNYK-DOTNET-CIEASPNETCOREAUTHENTICATION-8732923
- published19 Feb 2025
- disclosed18 Feb 2025
- creditAbdel Adim, Paolo Cavaglià, fromveeko
Introduced: 18 Feb 2025
NewCVE-2025-24895 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade CIE.AspNetCore.Authentication to version 2.1.0 or higher.
Overview
Affected versions of this package are vulnerable to User Impersonation due to improper validation of SAML response signatures which allows an attacker to inject a malicious, signed XML element as the first signature, bypassing proper verification and enabling impersonation of any SPID or CIE user.