CVE-2021-26564

Severity Score

8.7

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Cleartext transmission of sensitive information vulnerability in synorelayd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to spoof servers via an HTTP session.

Una vulnerabilidad de transmisión de información confidencial en texto sin cifrar en synorelayd en Synology DiskStation Manager (DSM) versiones anteriores a 6.2.3-25426-3, permite a atacantes de tipo man-in-the-middle falsificar servidores por medio de una sesión HTTP

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-02-02 CVE Reserved
2021-02-26 CVE Published
2024-07-01 EPSS Updated
2024-09-17 CVE Updated
2024-09-17 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-319: Cleartext Transmission of Sensitive Information

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC
https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1160	2024-09-17

URL	Date	SRC

URL	Date	SRC
https://www.synology.com/security/advisory/Synology_SA_20_26	2022-04-26

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Synology Search vendor "Synology"	Vs960hd Firmware Search vendor "Synology" for product "Vs960hd Firmware"	-	-	Affected	in	Synology Search vendor "Synology"	Vs960hd Search vendor "Synology" for product "Vs960hd"	-	-	Safe
Synology Search vendor "Synology"	Skynas Firmware Search vendor "Synology" for product "Skynas Firmware"	-	-	Affected	in	Synology Search vendor "Synology"	Skynas Search vendor "Synology" for product "Skynas"	-	-	Safe
Synology Search vendor "Synology"	Diskstation Manager Unified Controller Search vendor "Synology" for product "Diskstation Manager Unified Controller"	3.0 Search vendor "Synology" for product "Diskstation Manager Unified Controller" and version "3.0"	-	Affected	in	Synology Search vendor "Synology"	Uc3200 Search vendor "Synology" for product "Uc3200"	-	-	Safe
Synology Search vendor "Synology"		Diskstation Manager Search vendor "Synology" for product "Diskstation Manager"				< 6.2.3-25426-3 Search vendor "Synology" for product "Diskstation Manager" and version " < 6.2.3-25426-3"		-		Affected