Vulnerability Details : 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).
Exploit prediction scoring system (EPSS) score for CVE-2017-16897
Probability of exploitation activity in the next 30 days: 0.22%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 60 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2017-16897
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
9.3
|
HIGH | AV:N/AC:M/Au:N/C:C/I:C/A:C |
8.6
|
10.0
|
NIST |
|
8.1
|
HIGH | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
2.2
|
5.9
|
NIST |
CWE ids for CVE-2017-16897
-
This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-16897
-
https://auth0.com/docs/security/bulletins/cve-2017-16897
Auth0 Security Bulletin CVE 2017-16897Vendor Advisory
Products affected by CVE-2017-16897
- cpe:2.3:a:auth0:passport-wsfed-saml2:*:*:*:*:*:*:*:*