CVE-2013-3860

Name: CVE-2013-3860
Creator: NVD / NIST
Published: 2013-10-09T14:53:24.623+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 31.65%

Last modified Jun 16, 2026

CVE-2013-3860 is a vulnerability of currently unknown severity. Microsoft .NET Framework 2.0 SP2, 3.5, 3.5 SP1, 3.5.1, 4, and 4.5 does not properly parse a DTD during XML digital-signature validation, which allows remote attackers to cause a denial of service (application crash or hang) via a crafted signed XML document, aka "Entity Expansion Vulnerability.". EPSS estimates a 31.65% chance of exploitation in the next 30 days.

Description

Microsoft .NET Framework 2.0 SP2, 3.5, 3.5 SP1, 3.5.1, 4, and 4.5 does not properly parse a DTD during XML digital-signature validation, which allows remote attackers to cause a denial of service (application crash or hang) via a crafted signed XML document, aka "Entity Expansion Vulnerability."

Metrics

EPSS Probability

31.65%

98.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions	Update
Microsoft	.Net Framework	2.0	Sp2
Microsoft	.Net Framework	3.5	—
Microsoft	.Net Framework	3.5.1	—
Microsoft	.Net Framework	4.0	—
Microsoft	.Net Framework	4.5	—

References

Timeline

Published: Oct 9, 2013
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2013-3860?

How severe is CVE-2013-3860?

Severity scoring for CVE-2013-3860 is pending analysis. The EPSS model estimates a 31.65% probability of exploitation in the next 30 days.

How do I fix CVE-2013-3860?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2013-3860?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST