What is CVE-2017-16897?

CVE-2017-16897 is a high-severity vulnerability in Auth0 Passport-Wsfed-Saml2, classified under Authentication Bypass by Spoofing. CVSS score: 8.1/10. Published 2017-12-27.

How severe is CVE-2017-16897?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Auth0 Passport-Wsfed-Saml2

CVE-2017-16897

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).

EPSS: 0.014 (69.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Auth0 Passport-wsfed-saml2
N/a — versions n/a

Weakness classification (CWE)

CWE-290 — Authentication Bypass by Spoofing

References

cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2017-16897?: CVE-2017-16897 is a high-severity vulnerability in Auth0 Passport-Wsfed-Saml2, classified under Authentication Bypass by Spoofing. CVSS score: 8.1/10. Published 2017-12-27.
How severe is CVE-2017-16897?: High severity. CVSS v3 base score is 8.1 out of 10.