Quts Hero
CVE-2023-32970
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A10:2025 - Mishandling of Exceptional Conditions
ASVS 5.0
V16 - Security Logging and Error Handling Null pointer safety, defensive checks
MITRE ATT&CK
1 technique across 1 tactic: Impact The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 4.9 (MEDIUM). Attack characteristics: network attack vector, low complexity, high privileges required, no user interaction not required. |
| Exploit ScenarioDerived | A remote attacker could crash the application by dereferencing a null pointer by sending crafted requests to the affected application. |
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Alert meAnalysisAI
A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Check pointers before dereferencing. Use static analysis tools to detect null pointer paths.
Affects your stack
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Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as NULL Pointer Dereference (CWE-476), which allows attackers to crash the application by dereferencing a null pointer. A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated administrators to launch a denial-of-service (DoS) attack via a network. QES is not affected. We have already fixed the vulnerability in the following versions: QuTS hero h5.0.1.2515 build 20230907 and later QuTS hero h5.1.0.2453 build 20230708 and later QuTS hero h4.5.4.2476 build 20230728 and later QuTScloud c5.1.0.2498 and later QTS 5.1.0.2444 build 20230629 and later QTS 4.5.4.2467 build 20230718 and later Affected products include: Qnap Qts, Qnap Quts Hero, Qnap Qutscloud.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated administrators to launch a denial-of-service (DoS) attack via a network. QES is not affected.
We have already fixed the vulnerability in the following versions: QuTS hero h5.0.1.2515 build 20230907 and later QuTS hero h5.1.0.2453 build 20230708 and later QuTS hero h4.5.4.2476 build 20230728 and later QuTScloud c5.1.0.2498 and later QTS 5.1.0.2444 build 20230629 and later QTS 4.5.4.2467 build 20230718 and later
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
A null pointer dereference occurs when a program attempts to access memory through a pointer that has been set to NULL (address 0x0).
Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.
Affected Products (CPE)NVD
A prototype pollution vulnerability has been reported to affect several QNAP operating system versions. Rated high sever
An OS command injection vulnerability has been reported to affect several QNAP operating system versions. Rated critical
Symlink following vulnerability in multiple QNAP NAS operating system versions allows remote attackers to exploit link r
An improper authentication vulnerability has been reported to affect several QNAP operating system versions. Rated criti
An OS command injection vulnerability has been reported to affect several QNAP operating system versions. Rated critical
A command injection vulnerabilities have been reported to affect QTS and QuTS hero. Rated critical severity (CVSS 9.8),
A command injection vulnerabilities have been reported to affect QTS and QuTS hero. Rated critical severity (CVSS 9.8),
High-severity information disclosure flaw in QNAP QTS NAS operating system versions 5.2.0 through 5.2.7.3256 build 20250
Command injection vulnerability affecting QNAP NAS operating systems (QTS and QuTS hero) that allows authenticated remot
An OS command injection vulnerability has been reported to affect several QNAP operating system versions. Rated high sev
A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system ver
A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system ver
GitHub PoC
Exploit-DB