THREATPORT/VULNERABILITY/CVE-2013-1336
MEDIUM SEVERITY

CVE-2013-1336

.Net Framework vulnerability

CVSS
5.0
EPSS
19.3%
EPSS pct
97th
Exploited
No known
The Common Language Runtime (CLR) in Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, and 4.5 does not properly check signatures, which allows remote attackers to make undetected changes to signed XML documents via unspecified vectors that preserve signature validity, aka "XML Digital Signature Spoofing Vulnerability."
Affected vendor
Microsoft
Affected product
.Net Framework
CVSS vector
AV:N/AC:L/Au:N/C:N/I:P/A:N
Weakness type (CWE)
  • CWE-20 — Improper Input Validation
Published
2013-05-15

Risk analysis

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

Its EPSS score of 19.3% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2013-1336

  • Confirm whether Microsoft .Net Framework is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2013-1336.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2013-1336

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2013-1336 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2013-1336?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2013-1336.

Start free scan

No credit card. Agentless.

Related vulnerabilities

MEDIUM
CVE-2015-5523
Ubuntu Linux vulnerability
MEDIUM
CVE-2013-7443
Ubuntu Linux vulnerability
MEDIUM
CVE-2015-3184
Xcode vulnerability