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Fencer Vulns
medium 4.7

CVE-2023-23367 json

QTS, QuTS hero, QuTScloud

published 2023-11-10 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-27467

cvss
4.7
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 74%
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 5.0.1.2376 build 20230421 and later QuTS hero h5.0.1.2376 build 20230421 and later QuTScloud c5.1.0.2498 and later

Patch / fix

  • QNAP Systems Inc. QTS 5.0.1.2376 build 20230421
  • QNAP Systems Inc. QuTS hero h5.0.1.2376 build 20230421
  • QNAP Systems Inc. QuTScloud c5.1.0.2498

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

1.50% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 4.7 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
NVD 3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

  • QNAP Systems Inc. QTS
  • QNAP Systems Inc. QuTS hero
  • QNAP Systems Inc. QuTScloud

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.