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CVE-2023-47218· NVD / CVE Program· CNA qnap

QTS, QuTS hero, QuTScloud

An OS command injection vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow users to execute commands via a network. We have already fixed the vulnerability in the following versions: QTS 5.1.5.2645 build 20240116 and later QuTS hero h5.1.5.2647 build 20240118 and later QuTScloud c5.1.5.2651 and later

HighCVSS 8.3 · v3.1—Weaponized No fix recorded
Published
Feb 12, 2024
Updated
Jun 17, 2026
EPSS
89.9% · 100th percentile
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Report tools

JSON

Action score

60

This week

Don’t wait for the next maintenance window.

CVSS
33 / 40 · 8.3 / 10
CISA KEV
0 / 30 · Not listed
EPSS
27 / 30 · 89.9%

CISA SSVC decision

Exploitation
proof of concept
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
8.3
CNA · qnap
5.8
2.5 point gap

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

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
qnapqts
qnapquts hero
qnapqutscloud

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • qnap qts5.1.0 and later · before 5.1.5.2645
  • qnap qts5.1.5.2645
  • qnap quts heroh5.1.0 and later · before h5.1.5.2647
  • qnap quts heroh5.1.5.2647
  • qnap qutscloudc5.0.0.1919 and later · before c5.1.5.2651

Versions reported by the vendor

Affected version ranges reported by the assigning authority (qnap). Independent of NVD's CPE analysis and usually ahead of it.

  • QNAP Systems Inc. QTS

    • 4.xnot affected
    • 5.1.x and later · before 5.1.5.2645 build 20240116affected

  • QNAP Systems Inc. QuTS hero

    • h4.xnot affected
    • h5.1.x and later · before h5.1.5.2647 build 20240118affected

  • QNAP Systems Inc. QuTScloud

    • c5.x and later · before c5.1.5.2651affected

Same product

qnap: all records

Other highest-scoring records for the same primary product.

  • CVE-2020-2509Command Injection Vulnerability in QTS and QuTS heroKEV
    79This week
  • CVE-2018-19949If exploited, this command injection vulnerability could allow remote attackers to run arbitrary commands.KEV
    78This week
  • CVE-2019-7193This improper input validation vulnerability allows remote attackers to inject arbitrary code to the system.KEV
    73This week
  • CVE-2018-19953If exploited, this cross-site scripting vulnerability could allow remote attackers to inject malicious code.KEV
    63This week
  • CVE-2017-6360QNAP QTS before 4.2.4 Build 20170313 allows attackers to gain administrator privileges and obtain sensitive information via unspecified vect
    59Plan
  • CVE-2018-19943If exploited, this cross-site scripting vulnerability could allow remote attackers to inject malicious code.KEV
    57Plan

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

Weaponized

A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.

Evidence

  • Metasploit module ×1
  • Nuclei detection template ×1
  • Proof-of-concept repository on GitHub ×1

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
SourceKindDate
Metasploit moduleexploit/linux/http/qnap_qts_rce_cve_2023_47218QNAP QTS and QuTS Hero Unauthenticated Remote Code Execution in quick.cgiexploit2024-02-13
Nuclei detection templateNuclei template CVE-2023-47218 —
Proof-of-concept repository on GitHubstars:02024-02-19

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

  1. Published
  2. Metasploitsame day
  3. First PoC+6 d
  4. TodaySep 29, 2026+960 d
EPSS, last 120 days+1% in 7 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2023-23369101 days apartQTS, Multimedia Console, and Media Streaming add-on
    43Plan
  • CVE-2024-3276674 days apartQTS, QuTS hero, QuTScloud
    41Plan
  • CVE-2023-4502510 days apartQTS, QuTS hero, QuTScloud
    39Monitor
  • CVE-2025-22481480 days apartA command injection vulnerability has been reported to affect several QNAP operating system versions.
    34Monitor
  • CVE-2024-38641207 days apartAn OS command injection vulnerability has been reported to affect several QNAP operating system versions.
    29Monitor
  • CVE-2023-4128210 days apartQTS, QuTS hero, QuTScloud
    28Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
low · data can be read
Integrity
low · data or configuration can be modified
Availability
low · the service can be disrupted

Impact can extend beyond the vulnerable component (scope changes).

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Changed
Confidentiality impact
Low
Integrity impact
Low
Availability impact
Low

Weakness class (CWE)

CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection')

CVSS vector

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

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records