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CVE-2013-1337

7.5 · HIGH

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 HT…

Published May 15, 2013microsoftCWE-287EPSS 20.63%

Overview

CVE-2013-1337 is a high-severity vulnerability affecting microsoft .net_framework. It was published on May 15, 2013 and has a CVSS 2.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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."

Remediation

Check the references section for vendor advisories and patches from microsoft. Update .net_framework to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refwww.us-cert.gov/ncas/alerts/TA13-134ARefdocs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-040Refoval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16741Refwww.us-cert.gov/ncas/alerts/TA13-134ARefdocs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-040Refoval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16741

How CyberStrike helps

Frequently asked questions

What is CVE-2013-1337?

CVE-2013-1337 is a high-severity vulnerability affecting microsoft .net_framework. It was published on May 15, 2013 and has a CVSS 2.0 base score of 7.5 (HIGH).

How severe is CVE-2013-1337?

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2013-1337?

Check the references section for vendor advisories and patches from microsoft. Update .net_framework to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2013-1337?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2013-1337 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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