CVE-2023-23355

highpriority · track · 29EPSS 0.012 · 69 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.23% (69th) EPSS

CVSS 7.2 · high

Is it mine?

20 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

An OS command injection vulnerability has been reported to affect QNAP operating systems. If exploited, the vulnerability possibly allows remote authenticated administrators to execute commands via unspecified vectors. QES is not affected. We have already fixed the vulnerability in the following versions: QTS 5.0.1.2346 build 20230322 and later QTS 4.5.4.2374 build 20230416 and later QuTS hero h5.0.1.2348 build 20230324 and later QuTS hero h4.5.4.2374 build 20230417 and later QuTScloud c5.0.1.2374 and later

cvss

Technical severity, 0–10. One row per scoring source.

7.2

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.6–7.2

v3.17.2highCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.2 · impact 5.9

v3.16.6mediumAV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:Lsecondary · FSTEC (BDU) RU

v3.16.6mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:Lsecondary · ENISA EU

v3.16.6mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:Lsecondary · security@qnapsecurity.com.twexploitability 2.3 · impact 3.7

v3.16.6mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-77USprimaryCWE-77USCWE-78USCWE-78US

affected products (20)

Products and version ranges known to be affected.

QNAP NASall versionscert_bundDEcpe:/h:qnap:nas:-
QNAP Systems Inc. QTS4.5.* → 4.5.4.2374 build 20230416enisa_euvdEU
QNAP Systems Inc. QTS5.0.* → 5.0.1.2346 build 20230322enisa_euvdEU
QNAP Systems Inc. QuTS heroh4.5.* → h4.5.4.2374 build 20230417enisa_euvdEU
QNAP Systems Inc. QuTS heroh5.0.* → h5.0.1.2348 build 20230324enisa_euvdEU
QNAP Systems Inc. QuTScloudc5.0.1 → c5.0.1.2374enisa_euvdEU
QNAP Systems, Inc. QTS≤ 5.0.1.2346 build 20230322fstec_bduRU
QNAP Systems, Inc. QuTS hero≤ h5.0.1.2348 build 20230324fstec_bduRU
QNAP Systems, Inc. QuTScloudall versionsfstec_bduRU
qnap qts< 5.0.1.2346nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap quts hero< h5.0.1.2348nvdUScpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*
qnap qutscloudall versionsnvdUScpe:2.3:o:qnap:qutscloud:*:*:*:*:*:*:*:*
qnap qvp-21a firmwareall versionsnvdUScpe:2.3:o:qnap:qvp-21a_firmware:*:*:*:*:*:*:*:*
qnap qvp-41a firmwareall versionsnvdUScpe:2.3:o:qnap:qvp-41a_firmware:*:*:*:*:*:*:*:*
qnap qvp-41b firmwareall versionsnvdUScpe:2.3:o:qnap:qvp-41b_firmware:*:*:*:*:*:*:*:*
qnap qvp-63a firmwareall versionsnvdUScpe:2.3:o:qnap:qvp-63a_firmware:*:*:*:*:*:*:*:*
qnap qvp-63b firmwareall versionsnvdUScpe:2.3:o:qnap:qvp-63b_firmware:*:*:*:*:*:*:*:*
qnap qvp-85a firmwareall versionsnvdUScpe:2.3:o:qnap:qvp-85a_firmware:*:*:*:*:*:*:*:*
qnap qvp-85b firmwareall versionsnvdUScpe:2.3:o:qnap:qvp-85b_firmware:*:*:*:*:*:*:*:*
qnap qvrall versionsnvdUScpe:2.3:a:qnap:qvr:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-0785QNAP NAS: Mehrere SchwachstellenDeutsch2023-03-28csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in QNAP NAS ausnutzen, um beliebigen Programmcode auszuführen oder Informationen offenzulegen.

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd NVD CVE.org MITRE

published 2023-03-29modified 2026-06-17

related (4,599)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2026-96951US	high8.8OT critical	9.81% (96th)	KEV	2026-10-13
Improper neutralization of special elements used in a command ('command injection') in Windows Shell allows an unauthorized attacker to bypass a security feature over a network.
CVE-2026-105134US	critical10.0OT critical	81.8% (100th)	KEV	2026-10-04
A flaw has been found in Ahsay AhsayCBS up to 9.15.2.69/10.3.4.44. This vulnerability affects unknown code of the file /rps/api/json/UpdateReceivers.do of the component Replication…
CVE-2026-8037US	critical9.8OT critical	99.8% (100th)	KEV	2026-06-04
OS Command Injection Remote Code Execution Vulnerability in API in Progress ADC Products allows an un-authenticated attacker to execute arbitrary commands on the LoadMaster applian…
CVE-2026-42271US	high8.8OT critical	91.4% (100th)	KEV	2026-05-08
LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format. From version 1.74.2 to before version 1.83.7, two endpoints used to preview an MCP server befo…
CVE-2026-22719US	—OT critical	18.3% (97th)	KEV	2026-02-25
VMware Aria Operations contains a command injection vulnerability. A malicious unauthenticated actor may exploit this issue to execute arbitrary commands which may lead to remote c…

+4594 more

references (4)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan