Home/CVE/An authentication bypass vulnerability exists in Windows Communication Foundation (WCF) and Windows Identity Foundation
CVE

CVE-2019-1006

An authentication bypass vulnerability exists in Windows Communication Foundation (WCF) and Windows Identity Foundation

An authentication bypass vulnerability exists in Windows Communication Foundation (WCF) and Windows Identity Foundation (WIF), allowing signing of SAML tokens with arbitrary symmetric keys, aka 'WCF/WIF SAML Token Authentication Bypass Vulnerability'.

HIGH · CVSS 7.5 EPSS 0.02694
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-295Improper Certificate Validation
▤

Affected Products & Versions

13
microsoft .net frameworkall versions
microsoft windows server 2008all versions
microsoft windows 10all versions
microsoft windows 8.1all versions
microsoft windows server 2012all versions
microsoft windows server 2016all versions
microsoft windows server 2019all versions
microsoft windows 7all versions
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.0 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD15 Jul 2019 · 07:15 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
⚑

Vendor Advisories

1
msrcCVE-2019-1006Elevation of Privilege
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1006PatchVendor Advisory
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