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CVE-2017-16897

Published: Dec 23, 2017Updated: May 13, 2026 Sources: CVE List NVD GHSACWE-290
NVD MITRE
8.1CVSSHIGH
EPSS Score
1.4%
Top 31.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A vulnerability has been discovered in the Auth0 passport-wsfed-saml2 library affecting versions < 3.0.5. This vulnerability allows an attacker to impersonate another user and potentially elevate their privileges if the SAML identity provider does not sign the full SAML response (e.g., only signs the assertion within the response).

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-290

Affected Products

n/an/a
passport-wsfed-saml2auth0
SaaS
Security Products / identity-access-mgmt
passport-wsfed-saml2npmOSS Libraries
auth0commercialSecurity Productsaka auth0.js, nextjs-auth0, login by auth0
npmpackage-ecosystemOSS Libraries

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://auth0.com/docs/security/bulletins/cve-2017-16897
auth0.com
https://github.com/auth0/passport-wsfed-saml2/security/advisories/GHSA-77fw-rf4v-vfp9
github.com
https://nvd.nist.gov/vuln/detail/CVE-2017-16897
nvd.nist.gov
and 2 more references View all →

Timeline

Published
Dec 23, 2017
Last Updated
May 13, 2026

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