Security readout for executives and security teams
Plain-English summary
This is an authentication flaw in QNAP Video Station. A logged-in attacker with network access could compromise system security. The documented impact is strongest for confidentiality, with limited integrity impact and no stated availability impact. QNAP lists fixed Video Station releases, so priority is finding outdated installations and upgrading.
Executive priority
Treat as a high-priority remediation item for environments using QNAP Video Station. It is not sourced as actively exploited here, but the impact to confidentiality and available vendor fixes justify prompt upgrade scheduling.
Technical view
CVE-2021-44056 is CWE-287 improper authentication in QNAP Video Station. CVSS 3.1 is 7.1: network vector, low complexity, low privileges, no user interaction, unchanged scope, high confidentiality impact, low integrity impact, and no availability impact. QNAP fixed it in Video Station 5.5.9, 5.3.13, and 5.1.8 or later.
Likely exposure
Exposure is limited to QNAP devices running vulnerable Video Station versions below the fixed release lines. The source bundle does not identify specific QNAP models, firmware versions, or deployment conditions beyond Video Station being present.
Exploitation context
The sources do not report active exploitation, and this CVE is not listed as KEV in the provided bundle. The CVSS vector indicates exploitation requires network access and low privileges, with no user interaction.
Researcher notes
Public detail is limited. The advisory confirms improper authentication and fixed versions but does not provide affected model ranges, exploit indicators, or detailed attack paths. Avoid assuming exploitation beyond the CVSS prerequisites and vendor description.
Mitigation direction
- Upgrade Video Station to 5.5.9, 5.3.13, 5.1.8, or later as applicable.
- Check QNAP advisory QSA-22-14 for product-specific upgrade guidance.
- Identify QNAP devices where Video Station is installed.
- Reduce unnecessary network exposure to QNAP services pending remediation.
Validation and detection
- Inventory QNAP devices and confirm whether Video Station is installed.
- Record installed Video Station versions and compare them with QNAP fixed versions.
- Confirm upgrades completed successfully on each affected device.
- Review available authentication and Video Station logs for unusual access.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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-287: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. 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 lookupCVE-2021-44056 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
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.
CVSS vector scores
1 official scoreWe 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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N2.84.2Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.1HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.qnap.com/en/security-advisory/qsa-22-14CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Authentication
Improper Authentication represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.