Executive Summary

Informations
Name CVE-2021-28798 First vendor Publication 2021-05-21
Vendor Cve Last vendor Modification 2021-06-03

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Overall CVSS Score 7.5
Base Score 7.5 Environmental Score 7.5
impact SubScore 3.6 Temporal Score 7.5
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact High Availability Impact None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:P/A:N)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28798

CWE : Common Weakness Enumeration

% Id Name
50 % CWE-284 Access Control (Authorization) Issues
50 % CWE-23 Relative Path Traversal

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 11
Application 1
Os 135
Os 4

Sources (Detail)

Source Url
CONFIRM https://www.qnap.com/zh-tw/security-advisory/qsa-21-14

Alert History

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Date Informations
2021-06-22 12:39:14
  • Multiple Updates
2021-06-22 01:39:32
  • Multiple Updates
2021-06-04 00:22:56
  • Multiple Updates
2021-05-21 09:22:48
  • First insertion