CVE-2013-3847
Exploitation likely. EPSS gives it a 21% chance of exploitation in the next 30 days. No fix published yet.
What to do
No fixed build or workaround is published yet. Limit exposure and watch for a patch.
What it is
From the CVE record
Microsoft Word Automation Services in SharePoint Server 2010 SP1, Word Web App 2010 SP1 in Office Web Apps 2010, Word 2003 SP3, Word 2007 SP3, Word 2010 SP1, Office Compatibility Pack SP3, and Word Viewer allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted Office document, aka "Word Memory Corruption Vulnerability," a different vulnerability than CVE-2013-3848, CVE-2013-3849, and CVE-2013-3858.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
21% chance of exploitation activity in the next 30 days, which ranks it in the 97th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
6 events over 4670 days, from the signal feeds we watch.
- OpenVAS check added
- EPSS band changehigh → moderate
- Record updated
- Publishedweakness classified, att&ck mapped
Affected products
- sharepoint foundationOperating Systems / windows
- sharepoint portal serverOperating Systems / windows
- sharepoint serverEnterprise Software / collaboration-groupware
- sharepoint servicesEnterprise Software / collaboration-groupware
- office web appsOperating Systems / windows
- office compatibility packConsumer Software / productivity
- wordConsumer Software / productivity
- word viewerConsumer Software / productivity
And 1 more affected product. See all after sign-in
Technical detail
CVSS 2.0 vector
Open in the CVSS calculatorAV:N/AC:M/Au:N/C:C/I:C/A:C
Scored 9.3 by NVD.
How it is reached
- Access Vector NetworkExploitable remotely over the network
- Access Complexity MediumSome conditions must be met
- Authentication NoneNo authentication required
Impact if exploited
- Confidentiality CompleteAll information is disclosed
- Integrity CompleteAll data can be modified
- Availability CompleteTotal shutdown of the affected resource
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
- Initial AccessT1190Exploit Public-Facing Applicationhigh confidence
- Privilege EscalationT1068Exploitation for Privilege Escalationhigh confidence
Sources
References in the record
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18749
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18988
- docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-072
And 2 more references. See all after sign-in
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