8.8

CVE-2021-44051: qnap systems inc. qts Command Injection

CVSS: 8.8v3.1HighModified
Published 05-05-2022Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2021-44051 is a high (CVSS 8.8) Command Injection vulnerability in qnap systems inc. qts. EPSS estimates a 1.66% chance of exploitation in the next 30 days, higher than 76.3% of scored vulnerabilities.

Overall risk
36/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
1.66%
0%100%
Low · -0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 05-05-2022
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

A command injection vulnerability has been reported to affect QNAP NAS running QuTScloud, QuTS hero and QTS. If exploited, this vulnerability allows remote attackers to run arbitrary commands. We have already fixed this vulnerability in the following versions of QuTScloud, QuTS hero and QTS: QuTScloud c5.0.1.1949 and later QuTS hero h5.0.0.1986 build 20220324 and later QTS 5.0.0.1986 build 20220324 and later

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.66%

Chance of exploitation in the next 30 days

Percentile

76%

Versus all other CVEs

30-day change

-0.02 pp

From 1.68% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.66%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Qnap3 products
  • qts≥ 5.0.0.1716, < 5.0.0.1986 | ≥ 4.3.3.0174, < 4.3.3.1945 | ≥ 4.3.4.0899, < 4.3.4.1976 | ≥ 4.3.6.0895, < 4.3.6.1965 | ≥ 4.4.0.0883, < 4.5.4.1991 | 4.2.6:build_20170517 | 4.2.6:build_20190322 | 4.2.6:build_20190730 | 4.2.6:build_20190921 | 4.2.6:build_20191107 | 4.2.6:build_20200109 | 4.2.6:build_20200421 | 4.2.6:build_20200611 | 4.2.6:build_20200821 | 4.2.6:build_20210327 | 4.2.6:build_20211215
  • quts_hero< h4.5.4.1771 | ≥ h5.0.0.1772, < h5.0.0.1986
  • qutscloud< c5.0.1.1998
Qnap systems inc.3 products
  • qts≥ unspecified, < 5.0.0.1986 build 20220324
  • quts hero≥ unspecified, < h5.0.0.1986 build 20220324
  • qutscloud≥ unspecified, < c5.0.1.1949

2 vendors · 6 products

References

1 links