CVE-2021-29087

HIGH

Synology DiskStation Manager < 6.2.3-25426-3 - Path Traversal and Arbitrary File Write via WebAPI Component

Title source: llm

Description

Improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in webapi component in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote attackers to write arbitrary files via unspecified vectors.

References (1)

Core 1

Core References

Vendor Advisory x_refsource_confirm

https://www.synology.com/security/advisory/Synology_SA_20_26

Scores

CVSS v3 7.5

EPSS 0.0054

EPSS Percentile 68.0%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Details

CWE

CWE-22

Status published

Products (2)

synology/diskstation_manager 6.2 - 6.2.3-25426-3

synology/diskstation_manager_unified_controller < 3.1-23033

Published Jun 23, 2021

Tracked Since Feb 18, 2026