CVEvulnerability

CVE-2021-28798

7.5 HIGH Published 2021-05-21 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-05-21
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:P/A:N
Weaknesses
CWE-22, CWE-23, CWE-284

Description

A relative path traversal vulnerability has been reported to affect QNAP NAS running QTS and QuTS hero. If exploited, this vulnerability allows attackers to modify files that impact system integrity. QNAP have already fixed this vulnerability in the following versions: QTS 4.5.2.1630 Build 20210406 and later QTS 4.3.6.1663 Build 20210504 and later QTS 4.3.3.1624 Build 20210416 and later QuTS hero h4.5.2.1638 Build 20210414 and later QNAP NAS running QTS 4.5.3 are not affected.

Affected configurations

• qnap qts (>= 4.3.2.0144 < 4.3.3.1624) • qnap qts (>= 4.3.4.0000 < 4.3.6.1663) • qnap qts (>= 4.4.0000 < 4.5.2.1630) • qnap quts hero (< h4.5.2.1638)

Related

Weakness · CWE (3)

  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory weakness
  • CWE-23 Relative Path Traversal weakness
  • CWE-284 Improper Access Control weakness

References