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CVE Record

CVE-2023-41281: 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 authenticated administrators to execute commands via a network. We have already fixed the vulnerability in the following versions: QTS 5.1.4.2596 build 20231128 and later QuTS hero h5.1.4.2596 build 20231128 and later QuTScloud c5.1.5.2651 and later

MediumCVSS 5.5Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2023-41281 is a QNAP operating-system command injection issue. A logged-in administrator could potentially execute operating-system commands over the network. The business risk is contained by the high privilege requirement, but compromised admin accounts or exposed management paths make it meaningful.

Executive priority

Treat this as a scheduled but important remediation item. Prioritize internet-reachable or shared-administration QNAP systems first, especially where administrator credentials may be reused or weakly protected.

Technical view

The vulnerability affects QNAP QTS, QuTS hero, and QuTScloud versions listed in the advisory. It is classified as CWE-77 and CWE-78 OS command injection, with CVSS 3.1 score 5.5. The vector is network-accessible, low complexity, no user interaction, but requires high privileges.

Likely exposure

Exposure is most likely on QNAP NAS or QuTScloud systems running QTS 5.1.x, QuTS hero h5.1.x, or QuTScloud c5.x.x before the fixed releases named by QNAP. Systems with broadly accessible administrator interfaces or weak admin account governance carry higher practical risk.

Exploitation context

The provided sources do not show CISA KEV listing or active exploitation. Exploitation requires authenticated administrator privileges, so this is mainly a post-authentication risk that could matter after credential theft, insider misuse, or admin session compromise.

Researcher notes

Evidence is limited to the CVE record and QNAP advisory. The vulnerability is post-authentication with PR:H and scope changed. Sources do not provide endpoint details, proof-of-concept status, exploit telemetry, or compensating controls beyond fixed versions.

Mitigation direction

  • Upgrade QTS to 5.1.4.2596 build 20231128 or later.
  • Upgrade QuTS hero to h5.1.4.2596 build 20231128 or later.
  • Upgrade QuTScloud to c5.1.5.2651 or later.
  • If immediate upgrade is not possible, check QNAP guidance for supported temporary controls.
  • Restrict administrator access to trusted users and management networks.

Validation and detection

  • Inventory QNAP QTS, QuTS hero, and QuTScloud systems.
  • Compare installed version and build against QNAP fixed releases.
  • Review which systems expose administrator access over the network.
  • Confirm administrator accounts are expected, protected, and still required.
  • Monitor QNAP advisory updates for any revised affected-version details.
Prepared
Confidence
high
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-77: Command execution behavior lookup

Command injection weaknesses can lead defenders to review execution techniques and command interpreter telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
cwe · medium confidence lookup

CWE-78: Command execution behavior lookup

Command injection weaknesses can lead defenders to review execution techniques and command interpreter telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2023-41281 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Medium
CVSS
5.5 (3.1)
Known Exploited
No
Published

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

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
5.5CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N2.32.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

5.5Medium
CVSS 3.1 vector shape for CVE-2023-41281Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
QNAP Systems Inc.QTS5.1.xunaffected
QNAP Systems Inc.QuTS heroh5.1.xunaffected
QNAP Systems Inc.QuTScloudc5.x.xunaffected
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-77 · source CWE mapping

Improper Neutralization of Special Elements used in a Command ('Command Injection')

Improper Neutralization of Special Elements used in a Command ('Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.

CWE-78 · source CWE mapping

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.