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TI-2022-21483 Aliases CVE-2022-43749GHSA-fjq5-7jcj-c8j4

Improper privilege management in Synology Presto File Server

Priority LOW 39CWE-269Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Privilege escalation
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-269.

Summary

Improper privilege management vulnerability in summary report management in Synology Presto File Server before 2.1.2-1601 allows remote authenticated users to bypass security constraint via unspecified vectors.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00731 54th percentileScored 2026-11-07
Fix Fixed Presto File Server (Synology): 2.1.2-1601

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SynologyPresto File Serverbefore 2.1.2-16012.1.2-1601Patch availableCNA
  • Presto File Server VendorSynology Affected before 2.1.2-1601 Fixed in 2.1.2-1601 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:synology:presto_file_server:*:*:*:*:*:*:*:*before 2.1.2-1601VulnerableSynology
  • cpe:2.3:a:synology:presto_file_server:*:*:*:*:*:*:*:* Versions before 2.1.2-1601 Vulnerable ·Synology

Remediation

  • Fix · CNA Presto File Server (Synology) Fixed in 2.1.2-1601

Fixed in the same release

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

  • Release ·

    Synology Presto File Server 2.1.2-1601

    2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2022-21482 Path traversal in Synology Presto File ServerPriority MEDIUM 40
    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-43749
  2. 2026-10-03 Alias added: GHSA-fjq5-7jcj-c8j4
  3. 2026-10-09 EPSS moved to the 50th–90th percentile

References

Advisory 1

  • TI-2022-21482 Path traversal in Synology Presto File Server CVSS 3.1HIGH 7.5

Sources

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