Vulnerability-Lookup

GHSA-8GQJ-226H-GM8R

Vulnerability from github – Published: 2025-05-06 21:18 – Updated: 2025-05-07 15:34

Summary

Passport-wsfed-saml2 allows SAML Authentication Bypass via Attribute Smuggling

Details

Overview

This vulnerability allows an attacker to impersonate any user during SAML authentication by tampering with a valid SAML response. This can be done by adding attributes to the response.

Am I Affected?

You are affected by this SAML Attribute Smuggling vulnerability if you are using passport-wsfed-saml2 version 4.6.3 or below, specifically under the following conditions: 1. The service provider is using passport-wsfed-saml2, 2. A valid SAML Response signed by the Identity Provider can be obtained

Fix

Upgrade to v4.6.4 or greater.

Severity

8.6 (High)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

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JSON

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{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 4.6.3"
      },
      "package": {
        "ecosystem": "npm",
        "name": "passport-wsfed-saml2"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.0.5"
            },
            {
              "fixed": "4.6.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-46573"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-287",
      "CWE-290"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-05-06T21:18:49Z",
    "nvd_published_at": "2025-05-06T21:16:20Z",
    "severity": "HIGH"
  },
  "details": "### Overview\nThis vulnerability allows an attacker to impersonate any user during SAML authentication by tampering with a valid SAML response. This can be done by adding attributes to the response.\n\n### Am I Affected?\nYou are affected by this SAML Attribute Smuggling vulnerability if you are using `passport-wsfed-saml2` version 4.6.3 or below, specifically under the following conditions:\n1. The service provider is using `passport-wsfed-saml2`, \n2. A valid SAML Response signed by the Identity Provider can be obtained\n\n### Fix\nUpgrade to v4.6.4 or greater.",
  "id": "GHSA-8gqj-226h-gm8r",
  "modified": "2025-05-07T15:34:30Z",
  "published": "2025-05-06T21:18:49Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/auth0/passport-wsfed-saml2/security/advisories/GHSA-8gqj-226h-gm8r"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-46573"
    },
    {
      "type": "WEB",
      "url": "https://github.com/auth0/passport-wsfed-saml2/commit/e5cf3cc2a53748207f7a81bfba9195c8efa94181"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/auth0/passport-wsfed-saml2"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Passport-wsfed-saml2 allows SAML Authentication Bypass via Attribute Smuggling"
}

CVE-2025-46573 (GCVE-0-2025-46573)

Vulnerability from cvelistv5 – Published: 2025-05-06 20:22 – Updated: 2025-05-07 15:34

Title

passport-wsfed-saml2 Has SAML Authentication Bypass via Attribute Smuggling

Summary

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 tampering with a valid SAML response. This can be done by adding attributes to the response. Users are affected specifically when the service provider is using `passport-wsfed-saml2` and a valid SAML Response signed by the Identity Provider can be obtained. Version 4.6.4 contains a fix for the vulnerability.

Severity

8.6 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-05-07 13:46 UTC

CWE

CWE-287 - Improper Authentication

Assigner

GitHub_M mitre root Scorecard

References

2 references

URL	Tags
https://github.com/auth0/passport-wsfed-saml2/sec…	x_refsource_CONFIRM
https://github.com/auth0/passport-wsfed-saml2/com…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
auth0	passport-wsfed-saml2	Affected: >= 3.0.5, < 4.6.4

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-46573",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-05-07T13:46:09.234259Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-05-07T14:04:03.638Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "passport-wsfed-saml2",
          "vendor": "auth0",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 3.0.5, \u003c 4.6.4"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "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 tampering with a valid SAML response. This can be done by adding attributes to the response. Users are affected specifically when the service provider is using `passport-wsfed-saml2` and a valid SAML Response signed by the Identity Provider can be obtained. Version 4.6.4 contains a fix for the vulnerability."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "privilegesRequired": "LOW",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-287",
              "description": "CWE-287: Improper Authentication",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-07T15:34:04.601Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/auth0/passport-wsfed-saml2/security/advisories/GHSA-8gqj-226h-gm8r",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/auth0/passport-wsfed-saml2/security/advisories/GHSA-8gqj-226h-gm8r"
        },
        {
          "name": "https://github.com/auth0/passport-wsfed-saml2/commit/e5cf3cc2a53748207f7a81bfba9195c8efa94181",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/auth0/passport-wsfed-saml2/commit/e5cf3cc2a53748207f7a81bfba9195c8efa94181"
        }
      ],
      "source": {
        "advisory": "GHSA-8gqj-226h-gm8r",
        "discovery": "UNKNOWN"
      },
      "title": "passport-wsfed-saml2 Has SAML Authentication Bypass via Attribute Smuggling"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2025-46573",
    "datePublished": "2025-05-06T20:22:00.104Z",
    "dateReserved": "2025-04-24T21:10:48.175Z",
    "dateUpdated": "2025-05-07T15:34:04.601Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

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