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CVE-2025-46572— passport-wsfed-saml2 Has SAML Authentication Bypass via Signature Wrapping

Quick assessment

Affected
auth0 passport-wsfed-saml2
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Passport-wsfed-saml2是Auth0开源的一个令牌身份验证提供程序。 Passport-wsfed-saml2 3.0.5版本至4.6.3版本存在安全漏洞，该漏洞源于SAML身份验证缺陷，可能导致用户冒充。

AI Predicted 8.1 Difficulty: Moderate EPSS 0.42% · P35

Possible ATT&CK Techniques 1 AI

T1199 · Trusted Relationship
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I. Basic Information for CVE-2025-46572

Vulnerability Information
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Vulnerability Title
passport-wsfed-saml2 Has SAML Authentication Bypass via Signature Wrapping
Source: CVE Program / CVE List V5
Vulnerability Description
passport-wsfed-saml2 provides passport strategy for both WS-fed and SAML2 protocol. A vulnerability present starting in version 3.0.5 up to and including version 4.6.3 allows an attacker to impersonate any user during SAML authentication by crafting a SAMLResponse. This can be done by using a valid SAML object that was signed by the configured IdP. Users are affected specifically when the service provider is using passport-wsfed-saml2 and a valid SAML document signed by the Identity Provider can be obtained. Version 4.6.4 contains a fix for the vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Passport-wsfed-saml2 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Passport-wsfed-saml2是Auth0开源的一个令牌身份验证提供程序。 Passport-wsfed-saml2 3.0.5版本至4.6.3版本存在安全漏洞，该漏洞源于SAML身份验证缺陷，可能导致用户冒充。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
auth0 passport-wsfed-saml2 >= 3.0.5, < 4.6.4 -

II. Public POCs for CVE-2025-46572

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III. Intelligence Information for CVE-2025-46572

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Patches & Fixes for CVE-2025-46572 (1)

IV. Related Vulnerabilities

Same product: passport-wsfed-saml2
Same vendor: auth0
Same weakness: CWE-287

V. Comments for CVE-2025-46572

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