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Fencer Vulns
medium 5.9

CVE-2023-34980 json

QTS, QuTS hero

published 2024-03-08 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-39019

cvss
5.9
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits
0
none known

Summary

An OS command injection vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated administrators to execute commands via a network.

We have already fixed the vulnerability in the following versions: QTS 4.5.4.2627 build 20231225 and later QuTS hero h4.5.4.2626 build 20231225 and later

Patch / fix

  • QNAP Systems Inc. QTS 4.5.4.2627 build 20231225
  • QNAP Systems Inc. QuTS hero h4.5.4.2626 build 20231225
  • qnap qts 4.5.4.2627_build 20231225
  • qnap quts_hero h4.5.4.2626_build 20231225

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.88% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
NVD 3.1 8.4 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/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-78 Improper Neutralization of Special Elements used in an OS Command

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.