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Known exploited vulnerability

CVE-2018-19949

criticalCVSS 3.1 9.8In CISA KEVRansomwareEPSS 30%Published · QNAP Systems Inc.

The short answer

CVE-2018-19949 affects QNAP Systems Inc. QTS and is rated critical (CVSS 9.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-05-24: attackers are using it, so patch it first.

What it is

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.

Weakness: CWE-20, CWE-77, CWE-78.

Severity

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploited (CISA KEV)

Yes, since May 24, 2022

Federal due date Jun 14, 2022

EPSS, next 30 days

30%

Higher than 98% of scored CVEs

How it can be exploited

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

What CISA says to do

Apply updates per vendor instructions.

Affected products

QTS. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2018-19949 being exploited?

Yes. CISA added CVE-2018-19949 to its Known Exploited Vulnerabilities catalog on 2022-05-24, with a federal remediation due date of 2022-06-14. CISA lists it as used in ransomware campaigns.

How do I fix CVE-2018-19949?

CISA's required action: Apply updates per vendor instructions.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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