Exploited· due 2022-06-149.8criticalCriticalused in ransomware
CVE-2018-19949
Qnap Qts
If exploited, this command injection vulnerability could allow remote attackers to run arbitrary commands. QNAP has already fixed the issue in the following QTS versions. QTS 4.4.2.1231 on build 20200302; QTS 4.4.1.1201 on build 20200130; QTS 4.3.6.1218 on build 20200214; QTS 4.3.4.1190 on build 20200107; QTS 4.3.3.1161 on build 20200109; QTS 4.2.6 on build 20200109.
Exploitation status
- CISA has confirmed this is being exploited in the wild. That is an observation of real attacks, not a prediction.
- It is known to have been used in ransomware campaigns.
- US federal civilian agencies are required to remediate it by 2022-06-14. That deadline does not bind private companies, but it is a reasonable benchmark for how urgently CISA views it.
- A vendor advisory or patch reference has been published.
Required action
Apply updates per vendor instructions.
CISA’s wording, unedited.
What the metrics mean
- It is reachable over a network, without needing local access.
- For an attacker who can reach it, no special conditions are needed to exploit it.
- To exploit it, no account is needed.
- Beyond that, no action by a user is required.
Scoring
- CVSS
- 9.8 (v3.1)
- Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- Weakness
- CWE-20
- Assigned by
- security@qnapsecurity.com.tw
Dates
- Published
- 2020-10-28
- Last modified
- 2026-08-13
- Added to KEV
- 2022-05-24
- Remediation due
- 2022-06-14
- Sources
- CISA KEV, NVD
Affected products
- Qnap Qts- 4.2.6, 4.3.1.0013 - 4.3.3.1161, 4.3.4 - 4.3.4.1190, 4.3.6 - 4.3.6.1218, 4.4.0 - 4.4.1.1201, 4.4.2 - 4.4.2.1231, 4.2.6
As listed in the NVD configuration data. Not a statement about your estate.