How severe is CVE-2021-44056?

CVE-2021-44056 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2021-44056 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-44056?

CVE-2021-44056 affects Qnap Video Station. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-44056?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-44056 published?

CVE-2021-44056 was published on 2022-05-05 and last updated on 2026-06-17.

CVE-2021-44056

CVE-2021-44056 is a high-severity vulnerability in Qnap Video Station with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: High (CVSS 3.x base score 7.1)
CVSS v2: 10.0
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Qnap Video Station
Published: 2022-05-05
Last modified: 2026-06-17

Description

An improper authentication vulnerability has been reported to affect QNAP device running Video Station. If exploited, this vulnerability allows attackers to compromise the security of the system. We have already fixed this vulnerability in the following versions of Video Station: Video Station 5.5.9 and later Video Station 5.3.13 and later Video Station 5.1.8 and later

Frequently asked questions

What is CVE-2021-44056?: An improper authentication vulnerability has been reported to affect QNAP device running Video Station. If exploited, this vulnerability allows attackers to compromise the security of the system. We have already fixed this vulnerability in the following versions of Video Station: Video Station 5.5.9 and later Video Station 5.3.13 and later Video Station 5.1.8 and later
How severe is CVE-2021-44056?: CVE-2021-44056 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2021-44056 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-44056?: CVE-2021-44056 affects Qnap Video Station. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-44056?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-44056 published?: CVE-2021-44056 was published on 2022-05-05 and last updated on 2026-06-17.

References

https://www.qnap.com/en/security-advisory/qsa-22-14

Affected products (1)

cpe:2.3:a:qnap:video_station:*:*:*:*:*:*:*:*

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