CVE-2021-28798

HIGH

QNAP QTS 4.3.2.0144-4.3.3.1624 and QuTS hero < h4.5.2.1638 - Relative Path Traversal

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 8.8
EPSS 0.0040
EPSS Percentile 60.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-284 CWE-22 CWE-23
Status published
Products (2)
qnap/qts 4.3.2.0144 - 4.3.3.1624
qnap/quts_hero < h4.5.2.1638
Published May 21, 2021
Tracked Since Feb 18, 2026