Home/CVE/Microsoft Excel 2003 SP3, 2007 SP3, and 2010 SP1 and SP2; Excel Viewer; and Microsoft Office Compatibility Pack SP3 allo
CVE

CVE-2013-3159

Microsoft Excel 2003 SP3, 2007 SP3, and 2010 SP1 and SP2; Excel Viewer; and Microsoft Office Compatibility Pack SP3 allo

Microsoft Excel 2003 SP3, 2007 SP3, and 2010 SP1 and SP2.

Excel Viewer.

and Microsoft Office Compatibility Pack SP3 allow 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 "XML External Entities Resolution Vulnerability.".

MEDIUM · CVSS 4.3 EPSS 0.25439
Schedule remediation
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 4% of all CVEs by exploitation likelihood
Sigma rules5 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
▤

Affected Products & Versions

1
microsoft excelall versions
◈

Sigma Hunt Rules

5
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighPython Function Execution Security Warning Disabled In Excel
producthighPotential Excel.EXE DCOM Lateral Movement Via ActivateMicrosoftApp
producthighPotential Persistence Via Excel Add-in - Registry
producthighPython Function Execution Security Warning Disabled In Excel - Registry
productmediumMicrosoft Excel Add-In Loaded From Uncommon Location
▣

Scoring & Timeline

4.3
MEDIUM · CVSS v2 (legacy) · secure@microsoft.com
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:M/Au:N/C:P/I:N/A:N
Published to NVD11 Sep 2013 · 02:03 PM
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.us-cert.gov/ncas/alerts/TA13-253AUS Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-073
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18686
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