Improper Auth in QNAP OS QTS/QuTS <5.1.3.2578, <c5.1.5.2651
CVE-2023-39303 Published on February 2, 2024

QTS, QuTS hero, QuTScloud
An improper authentication vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow users to compromise the security of the system via a network. We have already fixed the vulnerability in the following versions: QTS 5.1.3.2578 build 20231110 and later QuTS hero h5.1.3.2578 build 20231110 and later QuTScloud c5.1.5.2651 and later

NVD

Vulnerability Analysis

CVE-2023-39303 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
LOW
Integrity Impact:
NONE
Availability Impact:
NONE

Weakness Type

What is an authentification Vulnerability?

When an actor claims to have a given identity, the software does not prove or insufficiently proves that the claim is correct.

CVE-2023-39303 has been classified to as an authentification vulnerability or weakness.


Products Associated with CVE-2023-39303

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QNAP Qts
 
QNAP Quts Hero
 
QNAP Qutscloud
 

Affected Versions

QNAP Systems Inc. QTS: QNAP Systems Inc. QuTS hero: QNAP Systems Inc. QuTScloud: qnap qts: qnap quts_hero: qnap qutscloud:

Exploit Probability

EPSS
0.20%
Percentile
41.38%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.