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On CISA KEVHigh

CVE-2024-27130QTS Buffer Overflow

A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions.

Published May 21, 2024 · Updated Nov 21, 2024

Key Facts

Patch immediately
  • CVE-2024-27130 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting QTS (Qnap), QuTS hero (Qnap).
  • It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since May 21, 2024. No public exploit code is known.
  • EPSS estimates a 38% probability of exploitation in the next 30 days.
  • Fixed versions are available, including QTS 5.1.7.2770 build 20240520, QuTS hero h5.1.7.2770 build 20240520.
  • Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Scores

CVSS v3.1

8.8

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

38%

Higher than 98.5% of all scored CVEs

Exploit maturity

Exploited (KEV)

ATLAS score

50/100

Publication score, see How it works

Exploitation Verdict

KEV listed

May 21, 2024

0 days after publication

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Exploited (KEV)

Public exploit code

0

Proof-of-concept links

In-the-wild evidence

3

Reports of active use

Advisories And Exploit References

Description

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

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
CIRCL KEVMay 21, 2024n/aNot reported
Industry KEV feedMay 21, 2024n/aNot reported

Affected Products

25 affected entries in total
ProductAffected versionsFixed in
QTSQnap5.1.0.2348-build_20230325, 5.1.0.2399-build_20230515, 5.1.0.2418-build_20230603, 5.1.0.2444-build_20230629, 5.1.0.2466-build_20230721, 5.1.1.2491-build_20230815, 5.1.2.2533-build_20230926, 5.1.3.2578-build_202311105.1.7.2770 build 20240520
QuTS heroQnaph5.1.0.2409-build_20230525, h5.1.0.2424-build_20230609, h5.1.0.2453-build_20230708, h5.1.0.2466-build_20230721, h5.1.1.2488-build_20230812, h5.1.2.2534-build_20230927, h5.1.3.2578-build_20231110, h5.1.4.2596-build_20231128h5.1.7.2770 build 20240520

Patched Releases

QTS

5.1.7.2770 build 20240520

QuTS hero

h5.1.7.2770 build 20240520

Timeline

  1. Publicly disclosed

    May 21, 2024

  2. Added to CIRCL KEV

    May 21, 2024

  3. Added to Industry KEV feed

    May 21, 2024

  4. Last updated

    Nov 21, 2024

Weakness Type

  • CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
  • CWE-121 Stack-based Buffer Overflow

FAQ

Common Questions.

Is CVE-2024-27130 On Your Attack Surface?

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More vulnerabilities

Figures as of Oct 24, 2026. Compiled by Brandefense technologies from public vulnerability catalogs; scoring as described in How it works.

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