02 Records
FEED: ACQUIRING
01 RecordSTATE: PUBLISHED
02 Description
CNA: qnapCommand Injection Vulnerability in QTS and QuTS hero
03 Exploitation and scoring
SRC: CISA, FIRST, NVD, RED HAT- Exploitation
- Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2022-04-11. Federal remediation due 2022-05-02.
- SSVC decision
- ExploitationactiveCISA reports credible evidence of active exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.- EPSS probability
- 33.38% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Ranks above 98.2% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
SCHEMA: 5.1
- Published
- 2021-04-17 03:50Z5 YR AGO
- Last updated
- 2025-10-21 23:25Z10 MO AGO
- Reserved
- 2019-12-09
- Assigning CNA
- qnap
- Record state
- PUBLISHED
- Severity
- Critical (CVSS 9.8)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')Class
- CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')Base
- Data version
- 5.1
- Document digest
- 6f360c95ae1b71bd4842e7828e3aa1c20cecc2b9e0b3f26d593119865771ce45
05 Affected products
PAIRS: 2VendorProductVersionsPlatforms
QNAP Systems Inc.QTS< 4.5.2.1566 Build 20210202, < 4.5.1.1495 Build 20201123, < 4.3.6.1620 Build 20210322, < 4.3.4.1632 Build 20210324, < 4.3.3.1624 Build 20210416, < 4.2.6 Build 20210327— QNAP Systems Inc.QuTS hero< h4.5.1.1491 build 20201119— SRC: CNA
QNAP has already fixed this vulnerability in the following versions:
QTS 4.5.2.1566 Build 20210202 and later
QTS 4.5.1.1495 Build 20201123 and later
QTS 4.3.6.1620 Build 20210322 and later
QTS 4.3.4.1632 Build 20210324 and later
QTS 4.3.3.1624 Build 20210416 and later
QTS 4.2.6 Build 20210327 and later
QuTS hero h4.5.1.1491 build 20201119 and later