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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.294 (98.1th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.294 · newest: 0.294 · change: 0.000
Affected products
- Microsoft Azure Active Directory Passport — versions 1.0.0, 1.1.0, 1.1.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/AzureAD/passport-azure-ad/blob/master/SECURITY-NOTICE.MD (Patch, Mitigation, Vendor Advisory)
- www.securitytracker.com/id/1036996 (vdb-entry)
- support.microsoft.com/kb/3187742 (vendor-advisory, Patch, Mitigation, Vendor Advisory)
- www.securityfocus.com/bid/93213 (Third Party Advisory, vdb-entry)
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.