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TI-2024-35892 Aliases CVE-2024-53694GHSA-p293-86cr-rj34

Time-of-check time-of-use race condition in QNAP QVPN Device Client for Mac

Priority LOW 38CWE-367Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

A time-of-check time-of-use (TOCTOU) race condition vulnerability has been reported to affect several product versions. If exploited, the vulnerability could allow local attackers who have gained user access to gain access to otherwise unauthorized resources. We have already fixed the vulnerability in the following versions: QVPN Device Client for Mac 2.2.5 and later Qsync for Mac 5.1.3 and later Qfinder Pro Mac 7.11.1 and later

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00128 2nd percentileScored 2026-11-07
Fix Fixed QVPN Device Client for Mac (QNAP Systems Inc.): 2.2.5Qsync for Mac (QNAP Systems Inc.): 5.1.3+1 more product

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
QNAPQVPN Device Client for Mac2.2.x to before 2.2.52.2.5Patch availableCNA
QNAPQsync for Mac5.1.x to before 5.1.35.1.3Patch availableCNA
QNAPQfinder Pro Mac7.11.x to before 7.11.17.11.1Patch availableCNA
  • QVPN Device Client for Mac VendorQNAP Affected 2.2.x to before 2.2.5 Fixed in 2.2.5 Patch available CNA
  • Qsync for Mac VendorQNAP Affected 5.1.x to before 5.1.3 Fixed in 5.1.3 Patch available CNA
  • Qfinder Pro Mac VendorQNAP Affected 7.11.x to before 7.11.1 Fixed in 7.11.1 Patch available CNA

Remediation

  • Fix · CNA QVPN Device Client for Mac (QNAP Systems Inc.) Fixed in 2.2.5
  • Fix · CNA Qsync for Mac (QNAP Systems Inc.) Fixed in 5.1.3
  • Fix · CNA Qfinder Pro Mac (QNAP Systems Inc.) Fixed in 7.11.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-53694
  2. 2026-10-03 Alias added: GHSA-p293-86cr-rj34

References

Other 1

  • TI-2022-10581 DeadBolt Ransomware KEVCVSS 3.1CRITICAL 10.0
  • TI-2021-09791 Improper Authorization Vulnerability in HBS 3 (Hybrid Backup Sync) KEVCVSS 3.1CRITICAL 10.0
  • TI-2020-02221 Command Injection Vulnerability in QTS and QuTS hero KEVCVSS 3.1CRITICAL 9.8
  • TI-2019-05103 Path traversal in QNAP NAS devices running Photo Station KEVCVSS 3.1CRITICAL 9.8
  • TI-2019-05102 Path traversal in QNAP NAS devices running Photo Station KEVCVSS 3.1CRITICAL 9.8
  • TI-2019-05101 Improper input validation in QNAP NAS devices KEVCVSS 3.1CRITICAL 9.8
See all 681 →

Sources

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