Read the docs
TI-2021-09975 Aliases CVE-2021-29088GHSA-88jq-fmhx-7gr3

Path traversal in Synology DiskStation Manager

Priority LOW 34CWE-22Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

Improper limitation of a pathname to a restricted directory ('Path Traversal') in cgi component in Synology DiskStation Manager (DSM) before 6.2.4-25553 allows local users to execute arbitrary code via unspecified vectors.

Why it matters now

EPSS 0.00318 24th percentileScored 2026-11-07
Fix Fixed Synology DiskStation Manager (DSM) (Synology): 6.2.4-25553

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
SynologySynology DiskStation Manager (DSM)before 6.2.4-255536.2.4-25553Patch availableCNA
  • Synology DiskStation Manager (DSM) VendorSynology Affected before 6.2.4-25553 Fixed in 6.2.4-25553 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:synology:diskstation_manager:*:*:*:*:*:*:*:*before 6.2.4-25553VulnerableSynology
  • cpe:2.3:o:synology:diskstation_manager:*:*:*:*:*:*:*:* Versions before 6.2.4-25553 Vulnerable ·Synology

Remediation

  • Fix · CNA Synology DiskStation Manager (DSM) (Synology) Fixed in 6.2.4-25553

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Synology DiskStation Manager (DSM) 6.2.4-25553

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2021-12733 Path traversal in Synology DiskStation ManagerPriority LOW 25
    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-29088
  2. 2026-10-03 Alias added: GHSA-88jq-fmhx-7gr3

References

Advisory 1

  • TI-2021-02242 Sudo before 1.9.5p2 contains an off-by-one error that can result in a heap-based buffer… KEVCVSS 3.1HIGH 7.8
  • TI-2018-01076 Out-of-bounds write in Netatalk CVSS 3.1CRITICAL 9.8
  • TI-2017-10594 Heap-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a… CVSS 3.1CRITICAL 9.8
  • TI-2013-05716 webman/imageSelector.cgi in Synology DiskStation Manager (DSM) 4.0 before 4.0-2259, 4.2… CVSS 2.0HIGH 10.0
  • TI-2021-19843 Out-of-bounds read in Samba CVSS 3.1HIGH 8.8
  • TI-2017-11636 Command injection in Synology DiskStation Manager CVSS 3.0HIGH 8.8
See all 96 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences