Qnap QTS Path Traversal (CVE-2021-28798)

high Tenable OT Security Plugin ID 502575

Synopsis

The remote OT asset is affected by a vulnerability.

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.

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/zh-tw/security-advisory/qsa-21-14

Plugin Details

Severity: High

ID: 502575

Version: 1.2

Type: remote

Family: Tenable.ot

Published: 10/16/2024

Updated: 10/17/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2021-28798

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:qnap:qts:4.3.6, cpe:/o:qnap:qts:4.3.3, cpe:/o:qnap:quts_hero:h4.5.2, cpe:/o:qnap:qts:4.5.2

Required KB Items: Tenable.ot/Qnap

Exploit Ease: No known exploits are available

Patch Publication Date: 5/21/2021

Vulnerability Publication Date: 5/21/2021

Reference Information

CVE: CVE-2021-28798

CWE: 22, 23, 284