CVE-2018-19949

  1. Yack CVE
  2. Vulnerabilities (CVE)
  3. CVE-2018-19949

9.8 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5 /10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

I

f 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.

References
Link Resource
https://www.qnap.com/zh-tw/security-advisory/qsa-20-01 Vendor Advisory
https://www.qnap.com/zh-tw/security-advisory/qsa-20-01 Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-19949 US Government Resource
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:4.2.6:-:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:4.2.6:build_20170517:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:4.2.6:build_20190322:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:4.2.6:build_20190730:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:4.2.6:build_20190921:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:4.2.6:build_20191107:*:*:*:*:*:*
History

03 Nov 2025, 15:06

Type Values Removed Values Added
References () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-19949 - () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-19949 - US Government Resource

22 Oct 2025, 00:16

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-19949 -

21 Oct 2025, 20:17

Type Values Removed Values Added
References
  • {'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-19949', 'source': '134c704f-9b21-4f2e-91b3-4a467353bcc0'}

21 Oct 2025, 19:17

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-19949 -

21 Nov 2024, 03:58

Type Values Removed Values Added
References () https://www.qnap.com/zh-tw/security-advisory/qsa-20-01 - Vendor Advisory () https://www.qnap.com/zh-tw/security-advisory/qsa-20-01 - Vendor Advisory
Information

Published : 2020-10-28 18:15

Updated : 2025-11-03 15:06

NVD link : CVE-2018-19949

Mitre link : CVE-2018-19949

CVE.ORG link : CVE-2018-19949

JSON object : View

Products Affected

qnap

CWE
CWE-20

Improper Input Validation

CWE-77

Improper Neutralization of Special Elements used in a Command ('Command Injection')

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')