THREATPORT/VULNERABILITY/CVE-2014-2730
MEDIUM SEVERITY

CVE-2014-2730

Office vulnerability

CVSS
5.0
EPSS
11.5%
EPSS pct
96th
Exploited
No known
The XML parser in Microsoft Office 2007 SP3, 2010 SP1 and SP2, and 2013, and Office for Mac 2011, does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory consumption and persistent application hang) via a crafted XML document containing a large number of nested entity references, as demonstrated by a crafted text/plain e-mail message to Outlook, a similar issue to CVE-2003-1564.
Affected vendor
Microsoft
Affected product
Office
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness type (CWE)
Published
2014-04-05

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 availability.

Its EPSS score of 11.5% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2014-2730

  • Confirm whether Microsoft Office is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2014-2730.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2014-2730

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2014-2730 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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