CVE-2021-28809 CRITICAL

CVE-2021-28809: Missing Authentication for Critical Function in RTRR Server in HBS3

Vendor Qnap Systems Inc.
Product HBS 3
Weakness CWE-284
Published July 8, 2021
Last update September 17, 2024
View on NVD All CVEs

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

An improper access control vulnerability has been reported to affect certain legacy versions of HBS 3. If exploited, this vulnerability allows attackers to compromise the security of the operating system.QNAP have already fixed this vulnerability in the following versions of HBS 3: QTS 4.3.6: HBS 3 v3.0.210507 and later QTS 4.3.4: HBS 3 v3.0.210506 and later QTS 4.3.3: HBS 3 v3.0.210506 and later

Key dates

02Disclosure timeline

July 8, 2021 CVE published
September 17, 2024 Record updated