What is CVE-2022-27588?

CVE-2022-27588 is a critical-severity vulnerability in QNAP Qvr, classified under Command Injection. CVSS score: 9.8/10. Published 2022-05-05.

How severe is CVE-2022-27588?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2022-27588 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in QNAP Qvr

CVE-2022-27588

We have already fixed this vulnerability in the following versions of QVR: QVR 5.1.6 build 20220401 and later

Vulnerability class: Command Injection (OS Command Injection)

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

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.014 (70.7th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 70.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.014 · change: +0.001

Affected products

QNAP Qvr
QNAP Systems Inc. Qvr — versions unspecified

Weakness classification (CWE)

CWE-77 — Command Injection

Public proof-of-concept exploits

karimhabush/cyberowl

References

www.qnap.com/en/security-advisory/qsa-22-07 (Vendor Advisory)

Frequently asked questions

What is CVE-2022-27588?: CVE-2022-27588 is a critical-severity vulnerability in QNAP Qvr, classified under Command Injection. CVSS score: 9.8/10. Published 2022-05-05.
How severe is CVE-2022-27588?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-27588 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.