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TI-2023-29269 Aliases CVE-2023-52949GHSA-824f-c4fh-gfpc

Missing authentication in Synology Active Backup for Business Agent

Priority LOW 26CWE-306Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-306.

Summary

Missing authentication for critical function vulnerability in proxy settings functionality in Synology Active Backup for Business Agent before 2.7.0-3221 allows local users to obtain user credential via unspecified vectors.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00176 7th percentileScored 2026-11-07
Fix Fixed Synology Active Backup for Business Agent (Synology): 2.7.0-3221

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

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

Affected products

VendorProductAffected versionsFixed inStatusSource
SynologySynology Active Backup for Business Agentbefore 2.7.0-32212.7.0-3221Patch availableCNA
  • Synology Active Backup for Business Agent VendorSynology Affected before 2.7.0-3221 Fixed in 2.7.0-3221 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:synology:active_backup_for_business_agent:*:*:*:*:*:*:*:*before 2.7.0-3221VulnerableSynology
  • cpe:2.3:a:synology:active_backup_for_business_agent:*:*:*:*:*:*:*:* Versions before 2.7.0-3221 Vulnerable ·Synology

Remediation

  • Fix · CNA Synology Active Backup for Business Agent (Synology) Fixed in 2.7.0-3221

Fixed in the same release

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

  • Advisory ·

    Synology Active Backup for Business Agent — Synology-SA-24:11 Synology Active Backup for Business Agent

    4 records Highest priority Priority LOW 4 LOW

    Other records, highest priority first

    • TI-2023-29270 Missing encryption of sensitive data vulnerability in login component in Synology Active…Priority LOW 25
    • TI-2023-29268 Missing encryption of sensitive data vulnerability in settings functionality in Synology…Priority LOW 23
    • TI-2023-29267 Missing authentication in Synology Active Backup for Business AgentPriority LOW 18
    Show all 4 records → Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-52949
  2. 2026-10-03 Alias added: GHSA-824f-c4fh-gfpc

References

Advisory 1

  • TI-2024-31599 Path traversal in Synology Active Backup for Business CVSS 3.1MEDIUM 6.5
  • TI-2024-31600 Improper limitation of a pathname to a restricted directory ('Path Traversal')… CVSS 3.1MEDIUM 6.5
  • TI-2025-40996 Origin validation error in Synology Active Backup for Business Agent CVSS 3.1MEDIUM 6.1
  • TI-2023-29270 Missing encryption of sensitive data vulnerability in login component in Synology Active… CVSS 3.1MEDIUM 5.3
  • TI-2023-29268 Missing encryption of sensitive data vulnerability in settings functionality in Synology… CVSS 3.1MEDIUM 5.0
  • TI-2023-29267 Missing authentication in Synology Active Backup for Business Agent CVSS 3.1MEDIUM 4.0
See all 7 →

Sources

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