CVE-2019-1006
An authentication bypass vulnerability exists in Windows Communication Foundation (WCF) and...
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'.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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'.
- Record
CVE-2019-1006- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-295
- Updated
- 2026-11-02
CVE List No score
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'.
- Record
CVE-2019-1006- Updated
- 2026-11-02
EUVDEUVD-2019-9592 No score
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'.
- Record
EUVD-2019-9592- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-42m9-f9c6-jjrj
An authentication bypass vulnerability exists in Windows Communication Foundation (WCF) and...
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'.
- Record
GHSA-42m9-f9c6-jjrj- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-295
- Updated
- 2026-11-02
OSV
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'.
- Record
CVE-2019-1006- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
Affected products
- microsoft windows
- microsoft .net framework
- microsoft identitymodel
- microsoft .net framework 2.0
- microsoft .net framework 3.0
- microsoft .net framework 3.5
- microsoft .net framework 3.5 and 4.7.2 on windows 10 version 1809 for 32-bit systems
- microsoft .net framework 3.5 and 4.7.2 on windows 10 version 1809 for x64-based systems
- microsoft .net framework 3.5 and 4.7.2 on windows server 2019
- microsoft .net framework 3.5 and 4.7.2 on windows server 2019 (server core installation)
- microsoft .net framework 3.5 and 4.8 on windows 10 version 1809 for 32-bit systems
- microsoft .net framework 3.5 and 4.8 on windows 10 version 1809 for x64-based systems
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- microsoft .net framework 3.5 and 4.8 on windows 10 version 1903 for 32-bit systems
- microsoft .net framework 3.5 and 4.8 on windows 10 version 1903 for x64-based systems
- microsoft .net framework 3.5 and 4.8 on windows server 2019
- microsoft .net framework 3.5 and 4.8 on windows server 2019 (server core installation)
- microsoft .net framework 3.5 and 4.8 on windows server, version 1903 (server core installation)
- microsoft .net framework 3.5.1
- microsoft .net framework 4.5.2
- microsoft .net framework 4.6
- microsoft .net framework 4.6/4.6.1/4.6.2
- microsoft .net framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2
- microsoft .net framework 4.8 on windows 10 version 1607 for 32-bit systems
- microsoft .net framework 4.8 on windows 10 version 1607 for x64-based systems
- microsoft .net framework 4.8 on windows 10 version 1703 for 32-bit systems
- microsoft .net framework 4.8 on windows 10 version 1703 for x64-based systems
- microsoft .net framework 4.8 on windows 10 version 1709 for 32-bit systems
- microsoft .net framework 4.8 on windows 10 version 1709 for x64-based systems
- microsoft .net framework 4.8 on windows 10 version 1803 for 32-bit systems
- microsoft .net framework 4.8 on windows 10 version 1803 for x64-based systems
- microsoft .net framework 4.8 on windows 7 for 32-bit systems service pack 1
- microsoft .net framework 4.8 on windows 7 for x64-based systems service pack 1
- microsoft .net framework 4.8 on windows 8.1 for 32-bit systems
- microsoft .net framework 4.8 on windows 8.1 for x64-based systems
- microsoft .net framework 4.8 on windows rt 8.1
- microsoft .net framework 4.8 on windows server 2008 r2 for x64-based systems service pack 1
- microsoft .net framework 4.8 on windows server 2008 r2 for x64-based systems service pack 1 (server core installation)
- microsoft .net framework 4.8 on windows server 2012
- microsoft .net framework 4.8 on windows server 2012 (server core installation)
- microsoft .net framework 4.8 on windows server 2012 r2
- microsoft .net framework 4.8 on windows server 2012 r2 (server core installation)
- microsoft .net framework 4.8 on windows server 2016
- microsoft .net framework 4.8 on windows server 2016 (server core installation)
- microsoft .net framework 4.8 on windows server, version 1803 (server core installation)
- microsoft sharepoint enterprise server
- microsoft sharepoint foundation
- microsoft sharepoint server
- microsoft microsoft.identitymodel
- microsoft windows 10 version 1903 for 32-bit systems
- microsoft windows 10 version 1903 for arm64-based systems
- microsoft windows 10 version 1903 for x64-based systems
- microsoft windows server
- microsoft windows server, version 1903 (server core installation)
- microsoft windows 10
- microsoft windows 7
- microsoft windows 8.1
- microsoft windows rt 8.1
- microsoft windows server 2008
- microsoft windows server 2012
- microsoft windows server 2016
- microsoft windows server 2019
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | 521526/CVE-2019-1006 | 2023-03-26 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-1006 is a high vulnerability (CVSS 7.5) in Microsoft Windows, published July 15, 2019. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 6.07%, the 93rd percentile. No source names a fixed version.