CVE-2013-1337
HIGH · CVSS 7.5EPSS 20.6%EU EUVD
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."
Key facts
- CVSS score
- 7.5 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P- Weakness (CWE)
- CWE-287
- EPSS score
- 20.6% (98th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2013-1377)
- Published
- May 15, 2013
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2013-1377 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- microsoft / .net framework
References
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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