Executive Summary

Informations
Name CVE-2021-26566 First vendor Publication 2021-02-26
Vendor Cve Last vendor Modification 2025-01-14

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Overall CVSS Score 9
Base Score 9 Environmental Score 9
impact SubScore 6 Temporal Score 9
Exploitabality Sub Score 2.2
 
Attack Vector Network Attack Complexity High
Privileges Required None User Interaction None
Scope Changed Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:P/I:P/A:P)
Cvss Base Score 6.8 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Insertion of sensitive information into sent data vulnerability in synorelayd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to execute arbitrary commands via inbound QuickConnect traffic.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26566

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-200 Information Exposure

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 2
Os 12

Sources (Detail)

https://www.synology.com/security/advisory/Synology_SA_20_26
https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1160
Source Url

Alert History

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Date Informations
2025-01-15 09:21:24
  • Multiple Updates
2025-01-15 03:08:30
  • Multiple Updates
2025-01-15 00:21:50
  • Multiple Updates
2024-11-28 13:54:21
  • Multiple Updates
2022-10-24 21:27:40
  • Multiple Updates
2021-05-04 14:08:51
  • Multiple Updates
2021-04-22 21:23:08
  • Multiple Updates
2021-04-22 00:23:36
  • Multiple Updates
2021-04-20 05:22:54
  • Multiple Updates
2021-03-26 12:38:21
  • First insertion