Cyber Resilience

CVE-2024-27130

High

Published: 21 May 2024

Published
21 May 2024
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L
EPSS Score 0.8116 99.2th percentile
Risk Priority 63 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-27130 is a high-severity Classic Buffer Overflow (CWE-120) vulnerability in Qnap Qts. Its CVSS base score is 7.2 (High).

Operationally, ranked in the top 0.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

Deeper analysis

A buffer copy without checking size of input vulnerability, also referenced under CWE-120 and CWE-121, affects multiple versions of QNAP QTS and QuTS hero operating systems. The flaw permits unauthenticated network-based attacks that can result in remote code execution, reflected in its CVSS 7.2 score with an attack vector of network, low complexity, and no required privileges or user interaction.

An attacker with network access can supply oversized input to trigger the buffer issue and achieve code execution on the affected device. Successful exploitation could allow partial integrity and availability impacts within the compromised scope.

QNAP has addressed the issue in QTS 5.1.7.2770 build 20240520 and later as well as QuTS hero h5.1.7.2770 build 20240520 and later, with details published in security advisory QSA-24-23. The current EPSS of 0.8116, near its recorded peak of 0.8138, indicates sustained exploitation interest following disclosure.

EU & UK References

Vulnerability details

A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow users to execute code via a network. We have already fixed the vulnerability in the…

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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-120

Platform-independent managed code eliminates the need for unchecked native buffer copies that are the root cause of classic buffer overflows.

References