Description

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

Classification

CVE ID: CVE-2024-53694

CVSS Base Severity: HIGH

CVSS Base Score: 8.6

CVSS Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Affected Products

Vendor: QNAP Systems Inc., QNAP Systems Inc., QNAP Systems Inc.

Product: QVPN Device Client for Mac, Qsync for Mac, Qfinder Pro Mac

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.01% (probability of being exploited)

EPSS Percentile: 0.84% (scored less or equal to compared to others)

EPSS Date: 2025-04-05 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2024-53694
https://www.qnap.com/en/security-advisory/qsa-24-51

Timeline