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TI-2020-16774 Aliases CVE-2020-27659GHSA-c78g-42vj-2xq3

Cross-site scripting in Synology Safe Access

Priority MEDIUM 45CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

Multiple cross-site scripting (XSS) vulnerabilities in Synology SafeAccess before 1.2.3-0234 allow remote attackers to inject arbitrary web script or HTML via the (1) domain or (2) profile parameter.

Why it matters now

EPSS 0.052 92nd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Fixed Safe Access (Synology): 1.2.3-0234

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
SynologySafe Accessbefore 1.2.3-02341.2.3-0234Patch availableCNA
  • Safe Access VendorSynology Affected before 1.2.3-0234 Fixed in 1.2.3-0234 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:synology:safeaccess:*:*:*:*:*:*:*:*before 1.2.3-0234VulnerableSynology
  • cpe:2.3:a:synology:safeaccess:*:*:*:*:*:*:*:* Versions before 1.2.3-0234 Vulnerable ·Synology

Remediation

  • Fix · CNA Safe Access (Synology) Fixed in 1.2.3-0234

Fixed in the same release

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

  • Release ·

    Synology Safe Access 1.2.3-0234

    2 records Highest priority Priority MEDIUM 2 MEDIUM

    Other records, highest priority first

    • TI-2020-16775 SQL injection in Synology Safe AccessPriority MEDIUM 50
    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-27659
  2. 2026-10-03 Alias added: GHSA-c78g-42vj-2xq3

References

Exploit 2

Advisory 1

  • TI-2020-16775 SQL injection in Synology Safe Access CVSS 3.1CRITICAL 9.8

Sources

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