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Qnap QTS Out-of-bounds Write (CVE-2021-28816)

high Tenable OT Security Plugin ID 502607

Synopsis

The remote OT asset is affected by a vulnerability.

Description

A stack buffer overflow vulnerability has been reported to affect QNAP device running QTS, QuTScloud, QuTS hero. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions of QTS, QuTScloud, QuTS hero: QTS 4.5.4.1715 build 20210630 and later QTS 5.0.0.1716 build 20210701 and later QTS 4.3.3.1693 build 20210624 and later QTS 4.3.6.1750 build 20210730 and later QuTScloud c4.5.6.1755 and later QuTS hero h4.5.4.1771 build 20210825 and later

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Refer to the vendor advisory.

See Also

https://www.qnap.com/en/security-advisory/qsa-21-33

Plugin Details

Severity: High

ID: 502607

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 10/16/2024

Updated: 10/16/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P

CVSS Score Source: CVE-2021-28816

CVSS v3

Risk Factor: High

Base Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Vulnerability Information

CPE: cpe:/o:qnap:qts:4.3.3, cpe:/o:qnap:qts:4.3.6, cpe:/o:qnap:qts:4.5.4, cpe:/o:qnap:quts_hero:h4.5.4, cpe:/o:qnap:qts:5.0.0

Required KB Items: Tenable.ot/Qnap

Exploit Ease: No known exploits are available

Patch Publication Date: 9/10/2021

Vulnerability Publication Date: 9/10/2021

Reference Information

CVE: CVE-2021-28816

CWE: 787