THREATPORT/VULNERABILITY/CVE-2011-0655
HIGH SEVERITY

CVE-2011-0655

Office vulnerability

CVSS
9.3
EPSS
22.6%
EPSS pct
97th
Exploited
No known
Microsoft PowerPoint 2007 SP2 and 2010; Office 2004, 2008, and 2011 for Mac; Open XML File Format Converter for Mac; Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2; PowerPoint Viewer; PowerPoint Viewer 2007 SP2; and PowerPoint Web App do not properly validate TimeColorBehaviorContainer Floating Point records in PowerPoint documents, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted document containing an invalid record, aka "Floating Point Techno-color Time Bandit RCE Vulnerability."
Affected vendor
Microsoft
Affected product
Office
CVSS vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness type (CWE)
  • CWE-20 — Improper Input Validation
Published
2011-04-13

Risk analysis

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

Its EPSS score of 22.6% 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-2011-0655

  • Confirm whether Microsoft Office is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2011-0655.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2011-0655

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2011-0655 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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