RCE in Qnap Qts
CVE-2021-44051
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
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.016 (73.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Qnap Qts — versions 4.2.6
- Qnap Qutscloud
- Qnap Quts_hero
- Qnap Systems Inc. Qts — versions unspecified
- Qnap Systems Inc. Qutscloud — versions unspecified
- Qnap Systems Inc. Quts Hero — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@qnapsecurity.com.tw (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-44051?
- CVE-2021-44051 is a high-severity vulnerability in Qnap Qts, classified under Command Injection. CVSS score: 8.8/10. Published 2022-05-05.
- How severe is CVE-2021-44051?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2021-44051 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.