What is CVE-2021-44057?

CVE-2021-44057 is a high-severity vulnerability in QNAP Photo Station, classified under Improper Authentication. CVSS score: 7.1/10. Published 2022-05-05.

How severe is CVE-2021-44057?

High severity. CVSS v3 base score is 7.1 out of 10.

Auth bypass in QNAP Photo Station

CVE-2021-44057

An improper authentication vulnerability has been reported to affect QNAP device running Photo 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 Photo Station: Photo Station 6.0.20 ( 2022/02/15 ) and later Photo Station 5.7.16 ( 2022/02/11 ) and later Photo Station 5.4.13 ( 2022/02/11 ) and later

Vulnerability class: Broken Authentication

Published 2022-05-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N.

EPSS exploit prediction

EPSS: 0.009 (59.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: +0.000

Affected products

QNAP Photo Station
QNAP Systems Inc. Photo Station — versions unspecified

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

www.qnap.com/en/security-advisory/qsa-22-15 (Vendor Advisory)

Frequently asked questions

What is CVE-2021-44057?: CVE-2021-44057 is a high-severity vulnerability in QNAP Photo Station, classified under Improper Authentication. CVSS score: 7.1/10. Published 2022-05-05.
How severe is CVE-2021-44057?: High severity. CVSS v3 base score is 7.1 out of 10.