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TI-2022-10596 Aliases CVE-2022-27615GHSA-9q4r-rvww-q2rv

Path traversal in Synology DNS Server

Priority LOW 38CWE-22Published · Updated

Key facts

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

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

Summary

Improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in cgi component in Synology DNS Server before 2.2.2-5027 allows remote authenticated users to delete arbitrary files via unspecified vectors.

Why it matters now

EPSS 0.0122 68th percentileScored 2026-11-07
Fix Fixed DNS Server (Synology): 2.2.2-5027

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
SynologyDNS Serverbefore 2.2.2-50272.2.2-5027Patch availableCNA
  • DNS Server VendorSynology Affected before 2.2.2-5027 Fixed in 2.2.2-5027 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:synology:dns_server:*:*:*:*:*:*:*:*before 2.2.2-5027VulnerableSynology
  • cpe:2.3:a:synology:dns_server:*:*:*:*:*:*:*:* Versions before 2.2.2-5027 Vulnerable ·Synology

Remediation

  • Fix · CNA DNS Server (Synology) Fixed in 2.2.2-5027

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-27615
  2. 2026-10-03 Alias added: GHSA-9q4r-rvww-q2rv

References

Advisory 1

  • TI-2020-06916 A flaw in native PKCS#11 code can lead to a remotely triggerable assertion failure in pk11.c CVSS 3.1HIGH 7.5
  • TI-2020-06915 A truncated TSIG response can lead to an assertion failure CVSS 3.1MEDIUM 6.5
  • TI-2020-06914 Attempting QNAME minimization after forwarding can lead to an assertion failure in resolver.c CVSS 3.1HIGH 7.5
  • TI-2017-08868 Path traversal in Synology DNS Server CVSS 3.0MEDIUM 6.5

Sources

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