Auth bypass in Microsoft Azure Active Directory Passport
CVE-2016-7191
The Microsoft Azure Active Directory Passport (aka Passport-Azure-AD) library 1.x before 1.4.6 and 2.x before 2.0.1 for Node.js does not recognize the validateIssuer setting, which allows remote attackers to bypass authentication via a crafted token.
Vulnerability class: Broken Authentication
EPSS: 0.294 (98.0th 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
- Microsoft Azure_active_directory_passport — versions 1.0.0, 1.1.0, 1.1.1
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secure@microsoft.com (x_refsource_CONFIRM, Patch, Mitigation, Vendor Advisory)
- secure@microsoft.com (vdb-entry, x_refsource_SECTRACK)
- secure@microsoft.com (vendor-advisory, Patch, Mitigation, x_refsource_MSKB, Vendor Advisory)
- secure@microsoft.com (Third Party Advisory, vdb-entry, x_refsource_BID)
Frequently asked questions
- What is CVE-2016-7191?
- CVE-2016-7191 is a high-severity vulnerability in Microsoft Azure Active Directory Passport, classified under Improper Authentication. CVSS score: 8.1/10. Published 2016-09-28.
- How severe is CVE-2016-7191?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2016-7191 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.