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Fencer Vulns
medium 6.4

CVE-2024-27129 json

QTS, QuTS hero

published 2024-05-21 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-24379

cvss
6.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 53%
public exploits
0
none known

Summary

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 authenticated 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

Patch / fix

  • QNAP Systems Inc. QTS 5.1.7.2770 build 20240520
  • QNAP Systems Inc. QuTS hero h5.1.7.2770 build 20240520
  • qnap qts 5.1.7.2770
  • qnap quts_hero h5.1.7.2770

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.69% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • QNAP Systems Inc. QTS
  • QNAP Systems Inc. QuTS hero
  • qnap qts
  • qnap quts_hero

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input
  • CWE-121 Stack-based Buffer Overflow

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.