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CVE-2013-6955

10.0
CVSS v2.0 Base Score
83.31%
HIGH RiskEPSS (99th percentile)

webman/imageSelector.cgi in Synology DiskStation Manager (DSM) 4.0 before 4.0-2259, 4.2 before 4.2-3243, and 4.3 before 4.3-3810 Update 1 allows remote attackers to append data to arbitrary files, and consequently execute arbitrary code, via a pathname in the SLICEUPLOAD X-TMP-FILE HTTP header.

Published: 1/9/2014
Modified: 4/29/2026
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Vulnerability Summary

CVSS v2 Score

10

AV:N/AC:L/Au:N/C:C/I:C/A:C

EPSS Score (Exploitation Probability)

83.31%HIGH Exploitation Risk
99th percentile

This vulnerability has a 83.31% probability of being exploited in the next 30 days, ranking higher than 99% of all scored CVEs.

CWE Classification

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