There is a current security warning from the BSI for QNAP NAS. Several vulnerabilities have been identified. You can find out here what threatens IT security, how high the risk level is and what affected users can do.
The latest manufacturer recommendations regarding updates, workarounds and security patches for this vulnerability can be found here: QNAP Security Advisory (As of April 28, 2024). Other useful resources are listed later in this article.
Multiple vulnerabilities reported for QNAP NAS – Risk: High
Risk level: 4 (high)
CVSS Base Score: 8,7
CVSS Temporal Score: 7,6
Remoteangriff: Ja
The Common Vulnerability Scoring System (CVSS) is used to assess the vulnerability of computer systems. The CVSS standard makes it possible to compare potential or actual security vulnerabilities based on various criteria in order to create a priority list for taking countermeasures. The attributes “none”, “low”, “medium”, “high” and “critical” are used to determine the severity levels of a vulnerability. The Base Score evaluates the requirements for an attack (including authentication, complexity, privileges, user interaction) and its consequences. With the temporal score, framework conditions that can change over time are taken into account in the evaluation. According to the CVSS, the risk of the current vulnerability is rated as “high” with a base score of 8.7.
QNAP NAS Bug: Summary of current vulnerabilities
QNAP is a manufacturer of NAS (Network Attached Storage) solutions.
A remote attacker could exploit multiple vulnerabilities in QNAP NAS to execute arbitrary code, bypass security measures, or disclose sensitive information.
The vulnerabilities were classified using the CVE designation system (Common Vulnerabilities and Exposures) by their individual serial numbers CVE-2023-50361, CVE-2023-50362, CVE-2023-50363, CVE-2023-50364, CVE-2023-51364, CVE-2023-51365 und CVE-2024-21905.
Overview of the security gap products
Products
QNAP NAS QTS QNAP NAS QTS QNAP NAS QuTS hero
QNAP NAS QuTS hero
QNAP NAS QuTScloud
QNAP NAS QTS QNAP NAS QTS QNAP NAS QTS
General recommendations for dealing with IT security gaps
Users of the affected applications should keep them up to date. When security gaps become known, manufacturers are required to fix them as quickly as possible by developing a patch or a workaround. If security patches are available, install them promptly. For information, consult the sources listed in the next section. These often contain further information about the latest version of the software in question as well as the availability of security patches or information about workarounds. If you have any further questions or uncertainties, please contact your responsible administrator. IT security managers should regularly check the sources mentioned to see whether a new security update is available.
Sources of updates, patches and workarounds
Here you will find further links with information about bug reports, security fixes and workarounds.
QNAP Security Advisory vom 2024-04-28 (28.04.2024)
For more information, see:
QNAP Security Advisory vom 2024-04-28 (28.04.2024)
For more information, see:
QNAP Security Advisory vom 2024-04-28 (28.04.2024)
For more information, see:
Version history of this security alert
This is the initial version of this IT security notice for QNAP NAS. This text will be updated as updates are announced. You can read about changes or additions in this version history.
April 28, 2024 – Initial version
+++ Editorial note: This text was generated based on current BSI data and will be updated in a data-driven manner depending on the warning situation. We accept feedback and comments at [email protected]. +++
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