THREATPORT/VULNERABILITY/CVE-2015-2556
MEDIUM SEVERITY

CVE-2015-2556

Sharepoint Server vulnerability

CVSS
4.3
EPSS
15.6%
EPSS pct
96th
Exploited
No known
The InfoPath Forms Services component in Microsoft SharePoint Server 2007 SP3 and 2010 SP2 misparses DTDs, which allows remote attackers to read arbitrary files via an XML document containing an external entity declaration in conjunction with an entity reference, related to an XML External Entity (XXE) issue, aka "Microsoft SharePoint Information Disclosure Vulnerability."
Affected vendor
Microsoft
Affected product
Sharepoint Server
CVSS vector
AV:N/AC:M/Au:N/C:P/I:N/A:N
Weakness type (CWE)
  • CWE-200 — Exposure of Sensitive Information
Published
2015-10-14

Risk analysis

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

Its EPSS score of 15.6% 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-2015-2556

  • Confirm whether Microsoft Sharepoint Server is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2015-2556.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2015-2556

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2015-2556 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-2015-2556?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2015-2556.

Start free scan

No credit card. Agentless.

Related vulnerabilities

MEDIUM
CVE-2025-7414
O3 Firmware vulnerability
MEDIUM
CVE-2025-7415
O3 Firmware vulnerability
MEDIUM
CVE-2025-46704
Iview vulnerability