Cyber Resilience

CVE-2024-21902

Medium

Published: 21 May 2024

Published
21 May 2024
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 6.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
EPSS Score 0.0048 65.6th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-21902 is a medium-severity Exposure of Sensitive Information to an Unauthorized Actor (CWE-200) vulnerability in Qnap Qts. Its CVSS base score is 6.4 (Medium).

Operationally, ranked in the top 34.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

An incorrect permission assignment for critical resource vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated users to read or modify the resource via a network. We have already fixed the…

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vulnerability in the following version: QTS 5.1.7.2770 build 20240520 and later QuTS hero h5.1.7.2770 build 20240520 and later

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

qnap
qts
5.1.0.2348, 5.1.0.2399, 5.1.0.2418, 5.1.0.2444, 5.1.0.2466
qnap
quts hero
h5.1.0.2409, h5.1.0.2424, h5.1.0.2453, h5.1.0.2466, h5.1.1.2488

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-200 CWE-732

Proper attribute retention and permitted-value enforcement limits unauthorized actors from accessing sensitive information lacking correct labels.

addresses: CWE-732 CWE-200

Audit logs and logging tools are critical resources whose protection requires correct permission assignments to block unauthorized actions.

addresses: CWE-200 CWE-732

Documenting information locations and authorized users enables better protection against unauthorized exposure of sensitive data.

addresses: CWE-732 CWE-200

Places configuration items under formal management, enforcing correct permission assignments on critical resources.

addresses: CWE-200 CWE-732

Requiring equivalent controls at the alternate storage site prevents unauthorized exposure of sensitive backup data.

addresses: CWE-200 CWE-732

Protecting confidentiality of backup information prevents unauthorized exposure of sensitive data stored in backups.

addresses: CWE-200 CWE-732

Assessing control effectiveness and providing incident communication channels at alternate sites reduces the likelihood of sensitive information exposure to unauthorized actors.

addresses: CWE-200 CWE-732

Requiring protection of the program plan from unauthorized disclosure directly reduces exposure of sensitive security program details and control descriptions.

References