THREATPORT/VULNERABILITY/CVE-2013-3860
HIGH SEVERITY

CVE-2013-3860

.Net Framework vulnerability

CVSS
7.8
EPSS
31.6%
EPSS pct
98th
Exploited
No known
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."
Affected vendor
Microsoft
Affected product
.Net Framework
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness type (CWE)
  • CWE-20 — Improper Input Validation
Published
2013-10-09

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to complete impact to availability.

Its EPSS score of 31.6% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2013-3860

  • Confirm whether Microsoft .Net Framework is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2013-3860.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2013-3860

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