Is CVE-2017-16897 in the CISA KEV catalog?

No. CVE-2017-16897 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-16897?

CVE-2017-16897 has a CVSS v3 base score of 8.1 (HIGH).

What is the EPSS score for CVE-2017-16897?

CVE-2017-16897 has an EPSS score of 1.38% (69th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-16897?

Upgrade passport-wsfed-saml2 to 3.0.5 or later.

CVE & CISA-KEV Catalog

CVE-2017-16897

HIGH

8.1

CVSS v3

NVD

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).

CWE-290

How to fix

Remediation Available

passport-wsfed-saml2NVD

Affected:< 3.0.5Fixed in:3.0.5CVE-2017-16897derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

1.38%probability of exploitation in 30 days

69thpercentile

Moderate risk: more likely to be exploited than 69% of all known CVEs.

References

Vendor Advisory1

auth0.com

Embed a live status badge for CVE-2017-16897

Markdown

[![CVE-2017-16897](https://tridentstack.com/cve/badge/CVE-2017-16897.svg)](https://tridentstack.com/cve/CVE-2017-16897)

HTML

<a href="https://tridentstack.com/cve/CVE-2017-16897"><img src="https://tridentstack.com/cve/badge/CVE-2017-16897.svg" alt="CVE-2017-16897"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.