CVEvulnerability

CVE-2018-19945

9.1 CRITICAL Published 2020-12-31 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-12-31
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.1 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
CVSS 2.0 ([email protected])
8.5 HIGH — AV:N/AC:L/Au:N/C:N/I:P/A:C
Weaknesses
CWE-20, CWE-22, CWE-284, CWE-73

Description

A vulnerability has been reported to affect earlier QNAP devices running QTS 4.3.4 to 4.3.6. Caused by improper limitations of a pathname to a restricted directory, this vulnerability allows for renaming arbitrary files on the target system, if exploited. QNAP have already fixed this vulnerability in the following versions: QTS 4.3.6.0895 build 20190328 (and later) QTS 4.3.4.0899 build 20190322 (and later) This issue does not affect QTS 4.4.x or QTS 4.5.x.

Affected configurations

• qnap qts (>= 4.3.4 < 4.3.4.0899) • qnap qts (>= 4.3.5 < 4.3.6.0895)

Related

Weakness · CWE (4)

  • CWE-20 Improper Input Validation weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory weakness
  • CWE-284 Improper Access Control weakness
  • CWE-73 External Control of File Name or Path weakness

References