VULNERABILITY INTELLIGENCE
CVE-2013-1337
CVSS score7.5 HIGH
EPSS probability20.63%
CISA KEVNot currently listed
Published2013-05-15
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:P/I:P/A:P
Description
Microsoft .NET Framework 4.5 does not properly create policy requirements for custom Windows Communication Foundation (WCF) endpoint authentication in certain situations involving passwords over HTTPS, which allows remote attackers to bypass authentication by sending queries to an endpoint, aka "Authentication Bypass Vulnerability."
Weakness classification
- CWE-287: Improper Authentication
Primary references
- secure@microsoft.com — Third Party Advisory, US Government Resource
- secure@microsoft.com
- secure@microsoft.com
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, US Government Resource
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108